Write in Standard Form (x^2-x-2)(x^2-x-2)

$(x^{2} - x - 2) (x^{2} - x - 2)$

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c$

Expand $(x^{2} - x - 2) (x^{2} - x - 2)$ by multiplying each term in the first expression by each term in the second expression.

$x^{2} x^{2} + x^{2} (- x) + x^{2} \cdot - 2 - x \cdot x^{2} - x (- x) - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

Simplify terms.

Simplify each term.

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

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

$x^{2 + 2} + x^{2} (- x) + x^{2} \cdot - 2 - x \cdot x^{2} - x (- x) - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

Add $2$ and $2$ .

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

Rewrite using the commutative property of multiplication.

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

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

Move $x$ .

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

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

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

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

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

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

Add $1$ and $2$ .

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

Move $- 2$ to the left of $x^{2}$ .

$x^{4} - x^{3} - 2 \cdot x^{2} - x \cdot x^{2} - x (- x) - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

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

Move $x^{2}$ .

$x^{4} - x^{3} - 2 x^{2} - (x^{2} x) - x (- x) - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

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

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

$x^{4} - x^{3} - 2 x^{2} - (x^{2} x^{1}) - x (- x) - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

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

$x^{4} - x^{3} - 2 x^{2} - x^{2 + 1} - x (- x) - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

Add $2$ and $1$ .

$x^{4} - x^{3} - 2 x^{2} - x^{3} - x (- x) - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

Rewrite using the commutative property of multiplication.

$x^{4} - x^{3} - 2 x^{2} - x^{3} - 1 \cdot - 1 x \cdot x - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

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

Move $x$ .

$x^{4} - x^{3} - 2 x^{2} - x^{3} - 1 \cdot - 1 (x \cdot x) - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

Multiply $x$ by $x$ .

$x^{4} - x^{3} - 2 x^{2} - x^{3} - 1 \cdot - 1 x^{2} - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

Multiply $- 1$ by $- 1$ .

$x^{4} - x^{3} - 2 x^{2} - x^{3} + 1 x^{2} - x \cdot - 2 - 2 x^{2} - 2 (- x) - 2 \cdot - 2$

Multiply $x^{2}$ by $1$ .

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

Multiply $- 2$ by $- 1$ .

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

Multiply $- 1$ by $- 2$ .

$x^{4} - x^{3} - 2 x^{2} - x^{3} + x^{2} + 2 x - 2 x^{2} + 2 x - 2 \cdot - 2$

Multiply $- 2$ by $- 2$ .

$x^{4} - x^{3} - 2 x^{2} - x^{3} + x^{2} + 2 x - 2 x^{2} + 2 x + 4$

Simplify by adding terms.

Subtract $x^{3}$ from $- x^{3}$ .

$x^{4} - 2 x^{3} - 2 x^{2} + x^{2} + 2 x - 2 x^{2} + 2 x + 4$

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

$x^{4} - 2 x^{3} - x^{2} + 2 x - 2 x^{2} + 2 x + 4$

Subtract $2 x^{2}$ from $- x^{2}$ .

$x^{4} - 2 x^{3} - 3 x^{2} + 2 x + 2 x + 4$

Add $2 x$ and $2 x$ .

$x^{4} - 2 x^{3} - 3 x^{2} + 4 x + 4$

Write in Standard Form (x^2-x-2)(x^2-x-2)

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