Simplify ((x^2-16)^6)/((x^2-8x+16) square root of x+4)

$\frac{{(x^{2} - 16)}^{6}}{(x^{2} - 8 x + 16) \sqrt{x + 4}}$

Simplify the numerator.

Rewrite $16$ as $4^{2}$ .

$\frac{{(x^{2} - 4^{2})}^{6}}{(x^{2} - 8 x + 16) \sqrt{x + 4}}$

Since both terms are perfect squares, factor using the difference of squares formula, $a^{2} - b^{2} = (a + b) (a - b)$ where $a = x$ and $b = 4$ .

$\frac{{((x + 4) (x - 4))}^{6}}{(x^{2} - 8 x + 16) \sqrt{x + 4}}$

Apply the product rule to $(x + 4) (x - 4)$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{6}}{(x^{2} - 8 x + 16) \sqrt{x + 4}}$

Factor using the perfect square rule.

Rewrite $16$ as $4^{2}$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{6}}{(x^{2} - 8 x + 4^{2}) \sqrt{x + 4}}$

Check that the middle term is two times the product of the numbers being squared in the first term and third term.

$8 x = 2 \cdot x \cdot 4$

Rewrite the polynomial.

$\frac{{(x + 4)}^{6} {(x - 4)}^{6}}{(x^{2} - 2 \cdot x \cdot 4 + 4^{2}) \sqrt{x + 4}}$

Factor using the perfect square trinomial rule $a^{2} - 2 a b + b^{2} = {(a - b)}^{2}$ , where $a = x$ and $b = 4$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{6}}{{(x - 4)}^{2} \sqrt{x + 4}}$

Cancel the common factor of ${(x - 4)}^{6}$ and ${(x - 4)}^{2}$ .

Factor ${(x - 4)}^{2}$ out of ${(x + 4)}^{6} {(x - 4)}^{6}$ .

$\frac{{(x - 4)}^{2} ({(x + 4)}^{6} {(x - 4)}^{4})}{{(x - 4)}^{2} \sqrt{x + 4}}$

Cancel the common factors.

Factor ${(x - 4)}^{2}$ out of ${(x - 4)}^{2} \sqrt{x + 4}$ .

$\frac{{(x - 4)}^{2} ({(x + 4)}^{6} {(x - 4)}^{4})}{{(x - 4)}^{2} (\sqrt{x + 4})}$

Cancel the common factor.

$\frac{{(x - 4)}^{2} ({(x + 4)}^{6} {(x - 4)}^{4})}{{(x - 4)}^{2} \sqrt{x + 4}}$

Rewrite the expression.

$\frac{{(x + 4)}^{6} {(x - 4)}^{4}}{\sqrt{x + 4}}$

Multiply $\frac{{(x + 4)}^{6} {(x - 4)}^{4}}{\sqrt{x + 4}}$ by $\frac{\sqrt{x + 4}}{\sqrt{x + 4}}$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{4}}{\sqrt{x + 4}} \cdot \frac{\sqrt{x + 4}}{\sqrt{x + 4}}$

Simplify terms.

Combine and simplify the denominator.

Multiply $\frac{{(x + 4)}^{6} {(x - 4)}^{4}}{\sqrt{x + 4}}$ by $\frac{\sqrt{x + 4}}{\sqrt{x + 4}}$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{\sqrt{x + 4} \sqrt{x + 4}}$

Raise $\sqrt{x + 4}$ to the power of $1$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{{\sqrt{x + 4}}^{1} \sqrt{x + 4}}$

Raise $\sqrt{x + 4}$ to the power of $1$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{{\sqrt{x + 4}}^{1} {\sqrt{x + 4}}^{1}}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{{\sqrt{x + 4}}^{1 + 1}}$

Add $1$ and $1$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{{\sqrt{x + 4}}^{2}}$

Rewrite ${\sqrt{x + 4}}^{2}$ as $x + 4$ .

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{x + 4}$ as ${(x + 4)}^{\frac{1}{2}}$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{{({(x + 4)}^{\frac{1}{2}})}^{2}}$

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{{(x + 4)}^{\frac{1}{2} \cdot 2}}$

Combine $\frac{1}{2}$ and $2$ .

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{{(x + 4)}^{\frac{2}{2}}}$

Cancel the common factor of $2$ .

Cancel the common factor.

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{{(x + 4)}^{\frac{2}{2}}}$

Rewrite the expression.

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{{(x + 4)}^{1}}$

Simplify.

$\frac{{(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}}{x + 4}$

Cancel the common factor of ${(x + 4)}^{6}$ and $x + 4$ .

Factor $x + 4$ out of ${(x + 4)}^{6} {(x - 4)}^{4} \sqrt{x + 4}$ .

$\frac{(x + 4) ({(x + 4)}^{5} {(x - 4)}^{4} \sqrt{x + 4})}{x + 4}$

Cancel the common factors.

Multiply by $1$ .

$\frac{(x + 4) ({(x + 4)}^{5} {(x - 4)}^{4} \sqrt{x + 4})}{(x + 4) \cdot 1}$

Cancel the common factor.

$\frac{(x + 4) ({(x + 4)}^{5} {(x - 4)}^{4} \sqrt{x + 4})}{(x + 4) \cdot 1}$

Rewrite the expression.

$\frac{{(x + 4)}^{5} {(x - 4)}^{4} \sqrt{x + 4}}{1}$

Divide ${(x + 4)}^{5} {(x - 4)}^{4} \sqrt{x + 4}$ by $1$ .

${(x + 4)}^{5} {(x - 4)}^{4} \sqrt{x + 4}$

Use the Binomial Theorem.

$(x^{5} + 5 x^{4} \cdot 4 + 10 x^{3} \cdot 4^{2} + 10 x^{2} \cdot 4^{3} + 5 x \cdot 4^{4} + 4^{5}) {(x - 4)}^{4} \sqrt{x + 4}$

Simplify each term.

Multiply $4$ by $5$ .

$(x^{5} + 20 x^{4} + 10 x^{3} \cdot 4^{2} + 10 x^{2} \cdot 4^{3} + 5 x \cdot 4^{4} + 4^{5}) {(x - 4)}^{4} \sqrt{x + 4}$

Raise $4$ to the power of $2$ .

$(x^{5} + 20 x^{4} + 10 x^{3} \cdot 16 + 10 x^{2} \cdot 4^{3} + 5 x \cdot 4^{4} + 4^{5}) {(x - 4)}^{4} \sqrt{x + 4}$

Multiply $16$ by $10$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 10 x^{2} \cdot 4^{3} + 5 x \cdot 4^{4} + 4^{5}) {(x - 4)}^{4} \sqrt{x + 4}$

Raise $4$ to the power of $3$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 10 x^{2} \cdot 64 + 5 x \cdot 4^{4} + 4^{5}) {(x - 4)}^{4} \sqrt{x + 4}$

Multiply $64$ by $10$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 5 x \cdot 4^{4} + 4^{5}) {(x - 4)}^{4} \sqrt{x + 4}$

Raise $4$ to the power of $4$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 5 x \cdot 256 + 4^{5}) {(x - 4)}^{4} \sqrt{x + 4}$

Multiply $256$ by $5$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 4^{5}) {(x - 4)}^{4} \sqrt{x + 4}$

Raise $4$ to the power of $5$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 1024) {(x - 4)}^{4} \sqrt{x + 4}$

Use the Binomial Theorem.

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 1024) (x^{4} + 4 x^{3} \cdot - 4 + 6 x^{2} {(- 4)}^{2} + 4 x {(- 4)}^{3} + {(- 4)}^{4}) \sqrt{x + 4}$

Simplify each term.

Multiply $- 4$ by $4$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 1024) (x^{4} - 16 x^{3} + 6 x^{2} {(- 4)}^{2} + 4 x {(- 4)}^{3} + {(- 4)}^{4}) \sqrt{x + 4}$

Raise $- 4$ to the power of $2$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 1024) (x^{4} - 16 x^{3} + 6 x^{2} \cdot 16 + 4 x {(- 4)}^{3} + {(- 4)}^{4}) \sqrt{x + 4}$

Multiply $16$ by $6$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 1024) (x^{4} - 16 x^{3} + 96 x^{2} + 4 x {(- 4)}^{3} + {(- 4)}^{4}) \sqrt{x + 4}$

Raise $- 4$ to the power of $3$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 1024) (x^{4} - 16 x^{3} + 96 x^{2} + 4 x \cdot - 64 + {(- 4)}^{4}) \sqrt{x + 4}$

Multiply $- 64$ by $4$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 1024) (x^{4} - 16 x^{3} + 96 x^{2} - 256 x + {(- 4)}^{4}) \sqrt{x + 4}$

Raise $- 4$ to the power of $4$ .

$(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 1024) (x^{4} - 16 x^{3} + 96 x^{2} - 256 x + 256) \sqrt{x + 4}$

Expand $(x^{5} + 20 x^{4} + 160 x^{3} + 640 x^{2} + 1280 x + 1024) (x^{4} - 16 x^{3} + 96 x^{2} - 256 x + 256)$ by multiplying each term in the first expression by each term in the second expression.

$(x^{5} x^{4} + x^{5} (- 16 x^{3}) + x^{5} (96 x^{2}) + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Simplify terms.

Simplify each term.

Multiply $x^{5}$ by $x^{4}$ by adding the exponents.

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{5 + 4} + x^{5} (- 16 x^{3}) + x^{5} (96 x^{2}) + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $5$ and $4$ .

$(x^{9} + x^{5} (- 16 x^{3}) + x^{5} (96 x^{2}) + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{5} x^{3} + x^{5} (96 x^{2}) + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{5}$ by $x^{3}$ by adding the exponents.

Move $x^{3}$ .

$(x^{9} - 16 (x^{3} x^{5}) + x^{5} (96 x^{2}) + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{3 + 5} + x^{5} (96 x^{2}) + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $3$ and $5$ .

$(x^{9} - 16 x^{8} + x^{5} (96 x^{2}) + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{5} x^{2} + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{5}$ by $x^{2}$ by adding the exponents.

Move $x^{2}$ .

$(x^{9} - 16 x^{8} + 96 (x^{2} x^{5}) + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{2 + 5} + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $2$ and $5$ .

$(x^{9} - 16 x^{8} + 96 x^{7} + x^{5} (- 256 x) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{5} x + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{5}$ by $x$ by adding the exponents.

Move $x$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 (x \cdot x^{5}) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x$ by $x^{5}$ .

Raise $x$ to the power of $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 (x^{1} x^{5}) + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{1 + 5} + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $1$ and $5$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + x^{5} \cdot 256 + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Move $256$ to the left of $x^{5}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 \cdot x^{5} + 20 x^{4} x^{4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{4}$ by $x^{4}$ by adding the exponents.

Move $x^{4}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 (x^{4} x^{4}) + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{4 + 4} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $4$ and $4$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} + 20 x^{4} (- 16 x^{3}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} + 20 \cdot - 16 x^{4} x^{3} + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{4}$ by $x^{3}$ by adding the exponents.

Move $x^{3}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} + 20 \cdot - 16 (x^{3} x^{4}) + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} + 20 \cdot - 16 x^{3 + 4} + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $3$ and $4$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} + 20 \cdot - 16 x^{7} + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $20$ by $- 16$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 20 x^{4} (96 x^{2}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 20 \cdot 96 x^{4} x^{2} + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{4}$ by $x^{2}$ by adding the exponents.

Move $x^{2}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 20 \cdot 96 (x^{2} x^{4}) + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 20 \cdot 96 x^{2 + 4} + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $2$ and $4$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 20 \cdot 96 x^{6} + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $20$ by $96$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} + 20 x^{4} (- 256 x) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} + 20 \cdot - 256 x^{4} x + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{4}$ by $x$ by adding the exponents.

Move $x$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} + 20 \cdot - 256 (x \cdot x^{4}) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x$ by $x^{4}$ .

Raise $x$ to the power of $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} + 20 \cdot - 256 (x^{1} x^{4}) + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} + 20 \cdot - 256 x^{1 + 4} + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $1$ and $4$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} + 20 \cdot - 256 x^{5} + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $20$ by $- 256$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 20 x^{4} \cdot 256 + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $256$ by $20$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{3} x^{4} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{3}$ by $x^{4}$ by adding the exponents.

Move $x^{4}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 (x^{4} x^{3}) + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{4 + 3} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $4$ and $3$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} + 160 x^{3} (- 16 x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} + 160 \cdot - 16 x^{3} x^{3} + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{3}$ by $x^{3}$ by adding the exponents.

Move $x^{3}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} + 160 \cdot - 16 (x^{3} x^{3}) + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} + 160 \cdot - 16 x^{3 + 3} + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $3$ and $3$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} + 160 \cdot - 16 x^{6} + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $160$ by $- 16$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 160 x^{3} (96 x^{2}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 160 \cdot 96 x^{3} x^{2} + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{3}$ by $x^{2}$ by adding the exponents.

Move $x^{2}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 160 \cdot 96 (x^{2} x^{3}) + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 160 \cdot 96 x^{2 + 3} + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $2$ and $3$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 160 \cdot 96 x^{5} + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $160$ by $96$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} + 160 x^{3} (- 256 x) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} + 160 \cdot - 256 x^{3} x + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{3}$ by $x$ by adding the exponents.

Move $x$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} + 160 \cdot - 256 (x \cdot x^{3}) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x$ by $x^{3}$ .

Raise $x$ to the power of $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} + 160 \cdot - 256 (x^{1} x^{3}) + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} + 160 \cdot - 256 x^{1 + 3} + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $1$ and $3$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} + 160 \cdot - 256 x^{4} + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $160$ by $- 256$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 160 x^{3} \cdot 256 + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $256$ by $160$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{2} x^{4} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{2}$ by $x^{4}$ by adding the exponents.

Move $x^{4}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 (x^{4} x^{2}) + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{4 + 2} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $4$ and $2$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} + 640 x^{2} (- 16 x^{3}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} + 640 \cdot - 16 x^{2} x^{3} + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{2}$ by $x^{3}$ by adding the exponents.

Move $x^{3}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} + 640 \cdot - 16 (x^{3} x^{2}) + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} + 640 \cdot - 16 x^{3 + 2} + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $3$ and $2$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} + 640 \cdot - 16 x^{5} + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $640$ by $- 16$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 640 x^{2} (96 x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 640 \cdot 96 x^{2} x^{2} + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{2}$ by $x^{2}$ by adding the exponents.

Move $x^{2}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 640 \cdot 96 (x^{2} x^{2}) + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 640 \cdot 96 x^{2 + 2} + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $2$ and $2$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 640 \cdot 96 x^{4} + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $640$ by $96$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} + 640 x^{2} (- 256 x) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} + 640 \cdot - 256 x^{2} x + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{2}$ by $x$ by adding the exponents.

Move $x$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} + 640 \cdot - 256 (x \cdot x^{2}) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x$ by $x^{2}$ .

Raise $x$ to the power of $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} + 640 \cdot - 256 (x^{1} x^{2}) + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} + 640 \cdot - 256 x^{1 + 2} + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $1$ and $2$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} + 640 \cdot - 256 x^{3} + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $640$ by $- 256$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 640 x^{2} \cdot 256 + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $256$ by $640$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x \cdot x^{4} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x$ by $x^{4}$ by adding the exponents.

Move $x^{4}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 (x^{4} x) + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{4}$ by $x$ .

Raise $x$ to the power of $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 (x^{4} x^{1}) + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{4 + 1} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $4$ and $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} + 1280 x (- 16 x^{3}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} + 1280 \cdot - 16 x \cdot x^{3} + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x$ by $x^{3}$ by adding the exponents.

Move $x^{3}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} + 1280 \cdot - 16 (x^{3} x) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{3}$ by $x$ .

Raise $x$ to the power of $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} + 1280 \cdot - 16 (x^{3} x^{1}) + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} + 1280 \cdot - 16 x^{3 + 1} + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $3$ and $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} + 1280 \cdot - 16 x^{4} + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $1280$ by $- 16$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 1280 x (96 x^{2}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 1280 \cdot 96 x \cdot x^{2} + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x$ by $x^{2}$ by adding the exponents.

Move $x^{2}$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 1280 \cdot 96 (x^{2} x) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x^{2}$ by $x$ .

Raise $x$ to the power of $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 1280 \cdot 96 (x^{2} x^{1}) + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 1280 \cdot 96 x^{2 + 1} + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Add $2$ and $1$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 1280 \cdot 96 x^{3} + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $1280$ by $96$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} + 1280 x (- 256 x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Rewrite using the commutative property of multiplication.

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} + 1280 \cdot - 256 x \cdot x + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x$ by $x$ by adding the exponents.

Move $x$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} + 1280 \cdot - 256 (x \cdot x) + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $x$ by $x$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} + 1280 \cdot - 256 x^{2} + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $1280$ by $- 256$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 1280 x \cdot 256 + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $256$ by $1280$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} + 1024 (- 16 x^{3}) + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $- 16$ by $1024$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 1024 (96 x^{2}) + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $96$ by $1024$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} + 1024 (- 256 x) + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $- 256$ by $1024$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 1024 \cdot 256) \sqrt{x + 4}$

Multiply $1024$ by $256$ .

$(x^{9} - 16 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} + 20 x^{8} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Simplify terms.

Add $- 16 x^{8}$ and $20 x^{8}$ .

$(x^{9} + 4 x^{8} + 96 x^{7} - 256 x^{6} + 256 x^{5} - 320 x^{7} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Subtract $320 x^{7}$ from $96 x^{7}$ .

$(x^{9} + 4 x^{8} - 224 x^{7} - 256 x^{6} + 256 x^{5} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} + 160 x^{7} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Add $- 224 x^{7}$ and $160 x^{7}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 256 x^{5} + 1920 x^{6} - 5120 x^{5} + 5120 x^{4} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Add $- 256 x^{6}$ and $1920 x^{6}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} + 1664 x^{6} + 256 x^{5} - 5120 x^{5} + 5120 x^{4} - 2560 x^{6} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Subtract $2560 x^{6}$ from $1664 x^{6}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 896 x^{6} + 256 x^{5} - 5120 x^{5} + 5120 x^{4} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} + 640 x^{6} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Add $- 896 x^{6}$ and $640 x^{6}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 256 x^{5} - 5120 x^{5} + 5120 x^{4} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Subtract $5120 x^{5}$ from $256 x^{5}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} - 4864 x^{5} + 5120 x^{4} + 15360 x^{5} - 40960 x^{4} + 40960 x^{3} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Add $- 4864 x^{5}$ and $15360 x^{5}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 10496 x^{5} + 5120 x^{4} - 40960 x^{4} + 40960 x^{3} - 10240 x^{5} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Subtract $10240 x^{5}$ from $10496 x^{5}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 256 x^{5} + 5120 x^{4} - 40960 x^{4} + 40960 x^{3} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} + 1280 x^{5} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Add $256 x^{5}$ and $1280 x^{5}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 5120 x^{4} - 40960 x^{4} + 40960 x^{3} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Subtract $40960 x^{4}$ from $5120 x^{4}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} - 35840 x^{4} + 40960 x^{3} + 61440 x^{4} - 163840 x^{3} + 163840 x^{2} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Add $- 35840 x^{4}$ and $61440 x^{4}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 25600 x^{4} + 40960 x^{3} - 163840 x^{3} + 163840 x^{2} - 20480 x^{4} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Subtract $20480 x^{4}$ from $25600 x^{4}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 5120 x^{4} + 40960 x^{3} - 163840 x^{3} + 163840 x^{2} + 122880 x^{3} - 327680 x^{2} + 327680 x + 1024 x^{4} - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Add $5120 x^{4}$ and $1024 x^{4}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 6144 x^{4} + 40960 x^{3} - 163840 x^{3} + 163840 x^{2} + 122880 x^{3} - 327680 x^{2} + 327680 x - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Subtract $163840 x^{3}$ from $40960 x^{3}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 6144 x^{4} - 122880 x^{3} + 163840 x^{2} + 122880 x^{3} - 327680 x^{2} + 327680 x - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Combine the opposite terms in $x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 6144 x^{4} - 122880 x^{3} + 163840 x^{2} + 122880 x^{3} - 327680 x^{2} + 327680 x - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144$ .

Add $- 122880 x^{3}$ and $122880 x^{3}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 6144 x^{4} + 163840 x^{2} + 0 - 327680 x^{2} + 327680 x - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Add $x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 6144 x^{4} + 163840 x^{2}$ and $0$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 6144 x^{4} + 163840 x^{2} - 327680 x^{2} + 327680 x - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Subtract $327680 x^{2}$ from $163840 x^{2}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 6144 x^{4} - 163840 x^{2} + 327680 x - 16384 x^{3} + 98304 x^{2} - 262144 x + 262144) \sqrt{x + 4}$

Add $- 163840 x^{2}$ and $98304 x^{2}$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 6144 x^{4} - 65536 x^{2} + 327680 x - 16384 x^{3} - 262144 x + 262144) \sqrt{x + 4}$

Subtract $262144 x$ from $327680 x$ .

$(x^{9} + 4 x^{8} - 64 x^{7} - 256 x^{6} + 1536 x^{5} + 6144 x^{4} - 65536 x^{2} - 16384 x^{3} + 65536 x + 262144) \sqrt{x + 4}$

Apply the distributive property.

$x^{9} \sqrt{x + 4} + 4 x^{8} \sqrt{x + 4} - 64 x^{7} \sqrt{x + 4} - 256 x^{6} \sqrt{x + 4} + 1536 x^{5} \sqrt{x + 4} + 6144 x^{4} \sqrt{x + 4} - 65536 x^{2} \sqrt{x + 4} - 16384 x^{3} \sqrt{x + 4} + 65536 x \sqrt{x + 4} + 262144 \sqrt{x + 4}$

Simplify ((x^2-16)^6)/((x^2-8x+16) square root of x+4)

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