Solve for x 3(x-2)^2(x+5)=3(x+1)^2(x-1)+3

$3 {(x - 2)}^{2} (x + 5) = 3 {(x + 1)}^{2} (x - 1) + 3$

Step 1

Simplify $3 {(x - 2)}^{2} (x + 5)$ .

Rewrite.

$0 + 0 + 3 {(x - 2)}^{2} (x + 5) = 3 {(x + 1)}^{2} (x - 1) + 3$

Simplify by adding zeros.

$3 {(x - 2)}^{2} (x + 5) = 3 {(x + 1)}^{2} (x - 1) + 3$

Apply the distributive property.

$3 {(x - 2)}^{2} x + 3 {(x - 2)}^{2} \cdot 5 = 3 {(x + 1)}^{2} (x - 1) + 3$

Simplify the expression.

Multiply $5$ by $3$ .

$3 {(x - 2)}^{2} x + 15 {(x - 2)}^{2} = 3 {(x + 1)}^{2} (x - 1) + 3$

Reorder factors in $3 {(x - 2)}^{2} x + 15 {(x - 2)}^{2}$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 {(x + 1)}^{2} (x - 1) + 3$

Step 2

Simplify $3 {(x + 1)}^{2} (x - 1) + 3$ .

Simplify each term.

Rewrite ${(x + 1)}^{2}$ as $(x + 1) (x + 1)$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 ((x + 1) (x + 1)) (x - 1) + 3$

Expand $(x + 1) (x + 1)$ using the FOIL Method.

Apply the distributive property.

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x (x + 1) + 1 (x + 1)) (x - 1) + 3$

Apply the distributive property.

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x \cdot x + x \cdot 1 + 1 (x + 1)) (x - 1) + 3$

Apply the distributive property.

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x \cdot x + x \cdot 1 + 1 x + 1 \cdot 1) (x - 1) + 3$

Simplify and combine like terms.

Simplify each term.

Multiply $x$ by $x$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x^{2} + x \cdot 1 + 1 x + 1 \cdot 1) (x - 1) + 3$

Multiply $x$ by $1$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x^{2} + x + 1 x + 1 \cdot 1) (x - 1) + 3$

Multiply $x$ by $1$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x^{2} + x + x + 1 \cdot 1) (x - 1) + 3$

Multiply $1$ by $1$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x^{2} + x + x + 1) (x - 1) + 3$

Add $x$ and $x$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x^{2} + 2 x + 1) (x - 1) + 3$

Apply the distributive property.

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = (3 x^{2} + 3 (2 x) + 3 \cdot 1) (x - 1) + 3$

Simplify.

Multiply $2$ by $3$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = (3 x^{2} + 6 x + 3 \cdot 1) (x - 1) + 3$

Multiply $3$ by $1$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = (3 x^{2} + 6 x + 3) (x - 1) + 3$

Expand $(3 x^{2} + 6 x + 3) (x - 1)$ by multiplying each term in the first expression by each term in the second expression.

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{2} x + 3 x^{2} \cdot - 1 + 6 x \cdot x + 6 x \cdot - 1 + 3 x + 3 \cdot - 1 + 3$

Simplify each term.

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

Move $x$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x \cdot x^{2}) + 3 x^{2} \cdot - 1 + 6 x \cdot x + 6 x \cdot - 1 + 3 x + 3 \cdot - 1 + 3$

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

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

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 (x^{1} x^{2}) + 3 x^{2} \cdot - 1 + 6 x \cdot x + 6 x \cdot - 1 + 3 x + 3 \cdot - 1 + 3$

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

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{1 + 2} + 3 x^{2} \cdot - 1 + 6 x \cdot x + 6 x \cdot - 1 + 3 x + 3 \cdot - 1 + 3$

Add $1$ and $2$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} + 3 x^{2} \cdot - 1 + 6 x \cdot x + 6 x \cdot - 1 + 3 x + 3 \cdot - 1 + 3$

Multiply $- 1$ by $3$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} - 3 x^{2} + 6 x \cdot x + 6 x \cdot - 1 + 3 x + 3 \cdot - 1 + 3$

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

Move $x$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} - 3 x^{2} + 6 (x \cdot x) + 6 x \cdot - 1 + 3 x + 3 \cdot - 1 + 3$

Multiply $x$ by $x$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} - 3 x^{2} + 6 x^{2} + 6 x \cdot - 1 + 3 x + 3 \cdot - 1 + 3$

Multiply $- 1$ by $6$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} - 3 x^{2} + 6 x^{2} - 6 x + 3 x + 3 \cdot - 1 + 3$

Multiply $3$ by $- 1$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} - 3 x^{2} + 6 x^{2} - 6 x + 3 x - 3 + 3$

Add $- 3 x^{2}$ and $6 x^{2}$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} + 3 x^{2} - 6 x + 3 x - 3 + 3$

Add $- 6 x$ and $3 x$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} + 3 x^{2} - 3 x - 3 + 3$

Combine the opposite terms in $3 x^{3} + 3 x^{2} - 3 x - 3 + 3$ .

Add $- 3$ and $3$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} + 3 x^{2} - 3 x + 0$

Add $3 x^{3} + 3 x^{2} - 3 x$ and $0$ .

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} = 3 x^{3} + 3 x^{2} - 3 x$

Step 3

Move all terms containing $x$ to the left side of the equation.

Subtract $3 x^{3}$ from both sides of the equation.

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} - 3 x^{3} = 3 x^{2} - 3 x$

Subtract $3 x^{2}$ from both sides of the equation.

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} = - 3 x$

Add $3 x$ to both sides of the equation.

$3 x {(x - 2)}^{2} + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Simplify each term.

Rewrite ${(x - 2)}^{2}$ as $(x - 2) (x - 2)$ .

$3 x ((x - 2) (x - 2)) + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Expand $(x - 2) (x - 2)$ using the FOIL Method.

Apply the distributive property.

$3 x (x (x - 2) - 2 (x - 2)) + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Apply the distributive property.

$3 x (x \cdot x + x \cdot - 2 - 2 (x - 2)) + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Apply the distributive property.

$3 x (x \cdot x + x \cdot - 2 - 2 x - 2 \cdot - 2) + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Simplify and combine like terms.

Simplify each term.

Multiply $x$ by $x$ .

$3 x (x^{2} + x \cdot - 2 - 2 x - 2 \cdot - 2) + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Move $- 2$ to the left of $x$ .

$3 x (x^{2} - 2 \cdot x - 2 x - 2 \cdot - 2) + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Multiply $- 2$ by $- 2$ .

$3 x (x^{2} - 2 x - 2 x + 4) + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Subtract $2 x$ from $- 2 x$ .

$3 x (x^{2} - 4 x + 4) + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Apply the distributive property.

$3 x \cdot x^{2} + 3 x (- 4 x) + 3 x \cdot 4 + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Simplify.

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

Move $x^{2}$ .

$3 (x^{2} x) + 3 x (- 4 x) + 3 x \cdot 4 + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

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

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

$3 (x^{2} x^{1}) + 3 x (- 4 x) + 3 x \cdot 4 + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

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

$3 x^{2 + 1} + 3 x (- 4 x) + 3 x \cdot 4 + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Add $2$ and $1$ .

$3 x^{3} + 3 x (- 4 x) + 3 x \cdot 4 + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Rewrite using the commutative property of multiplication.

$3 x^{3} + 3 \cdot - 4 x \cdot x + 3 x \cdot 4 + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Multiply $4$ by $3$ .

$3 x^{3} + 3 \cdot - 4 x \cdot x + 12 x + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Simplify each term.

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

Move $x$ .

$3 x^{3} + 3 \cdot - 4 (x \cdot x) + 12 x + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Multiply $x$ by $x$ .

$3 x^{3} + 3 \cdot - 4 x^{2} + 12 x + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Multiply $3$ by $- 4$ .

$3 x^{3} - 12 x^{2} + 12 x + 15 {(x - 2)}^{2} - 3 x^{3} - 3 x^{2} + 3 x = 0$

Rewrite ${(x - 2)}^{2}$ as $(x - 2) (x - 2)$ .

$3 x^{3} - 12 x^{2} + 12 x + 15 ((x - 2) (x - 2)) - 3 x^{3} - 3 x^{2} + 3 x = 0$

Expand $(x - 2) (x - 2)$ using the FOIL Method.

Apply the distributive property.

$3 x^{3} - 12 x^{2} + 12 x + 15 (x (x - 2) - 2 (x - 2)) - 3 x^{3} - 3 x^{2} + 3 x = 0$

Apply the distributive property.

$3 x^{3} - 12 x^{2} + 12 x + 15 (x \cdot x + x \cdot - 2 - 2 (x - 2)) - 3 x^{3} - 3 x^{2} + 3 x = 0$

Apply the distributive property.

$3 x^{3} - 12 x^{2} + 12 x + 15 (x \cdot x + x \cdot - 2 - 2 x - 2 \cdot - 2) - 3 x^{3} - 3 x^{2} + 3 x = 0$

Simplify and combine like terms.

Simplify each term.

Multiply $x$ by $x$ .

$3 x^{3} - 12 x^{2} + 12 x + 15 (x^{2} + x \cdot - 2 - 2 x - 2 \cdot - 2) - 3 x^{3} - 3 x^{2} + 3 x = 0$

Move $- 2$ to the left of $x$ .

$3 x^{3} - 12 x^{2} + 12 x + 15 (x^{2} - 2 \cdot x - 2 x - 2 \cdot - 2) - 3 x^{3} - 3 x^{2} + 3 x = 0$

Multiply $- 2$ by $- 2$ .

$3 x^{3} - 12 x^{2} + 12 x + 15 (x^{2} - 2 x - 2 x + 4) - 3 x^{3} - 3 x^{2} + 3 x = 0$

Subtract $2 x$ from $- 2 x$ .

$3 x^{3} - 12 x^{2} + 12 x + 15 (x^{2} - 4 x + 4) - 3 x^{3} - 3 x^{2} + 3 x = 0$

Apply the distributive property.

$3 x^{3} - 12 x^{2} + 12 x + 15 x^{2} + 15 (- 4 x) + 15 \cdot 4 - 3 x^{3} - 3 x^{2} + 3 x = 0$

Simplify.

Multiply $- 4$ by $15$ .

$3 x^{3} - 12 x^{2} + 12 x + 15 x^{2} - 60 x + 15 \cdot 4 - 3 x^{3} - 3 x^{2} + 3 x = 0$

Multiply $15$ by $4$ .

$3 x^{3} - 12 x^{2} + 12 x + 15 x^{2} - 60 x + 60 - 3 x^{3} - 3 x^{2} + 3 x = 0$

Combine the opposite terms in $3 x^{3} - 12 x^{2} + 12 x + 15 x^{2} - 60 x + 60 - 3 x^{3} - 3 x^{2} + 3 x$ .

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

$- 12 x^{2} + 12 x + 15 x^{2} - 60 x + 60 + 0 - 3 x^{2} + 3 x = 0$

Add $- 12 x^{2} + 12 x + 15 x^{2} - 60 x + 60$ and $0$ .

$- 12 x^{2} + 12 x + 15 x^{2} - 60 x + 60 - 3 x^{2} + 3 x = 0$

Add $- 12 x^{2}$ and $15 x^{2}$ .

$3 x^{2} + 12 x - 60 x + 60 - 3 x^{2} + 3 x = 0$

Combine the opposite terms in $3 x^{2} + 12 x - 60 x + 60 - 3 x^{2} + 3 x$ .

Subtract $3 x^{2}$ from $3 x^{2}$ .

$12 x - 60 x + 60 + 0 + 3 x = 0$

Add $12 x - 60 x + 60$ and $0$ .

$12 x - 60 x + 60 + 3 x = 0$

Subtract $60 x$ from $12 x$ .

$- 48 x + 60 + 3 x = 0$

Add $- 48 x$ and $3 x$ .

$- 45 x + 60 = 0$

Step 4

Subtract $60$ from both sides of the equation.

$- 45 x = - 60$

Step 5

Divide each term in $- 45 x = - 60$ by $- 45$ and simplify.

Divide each term in $- 45 x = - 60$ by $- 45$ .

$\frac{- 45 x}{- 45} = \frac{- 60}{- 45}$

Simplify the left side.

Cancel the common factor of $- 45$ .

Cancel the common factor.

$\frac{- 45 x}{- 45} = \frac{- 60}{- 45}$

Divide $x$ by $1$ .

$x = \frac{- 60}{- 45}$

Simplify the right side.

Cancel the common factor of $- 60$ and $- 45$ .

Factor $- 15$ out of $- 60$ .

$x = \frac{- 15 (4)}{- 45}$

Cancel the common factors.

Factor $- 15$ out of $- 45$ .

$x = \frac{- 15 \cdot 4}{- 15 \cdot 3}$

Cancel the common factor.

$x = \frac{- 15 \cdot 4}{- 15 \cdot 3}$

Rewrite the expression.

$x = \frac{4}{3}$

Step 6

The result can be shown in multiple forms.

Exact Form:

$x = \frac{4}{3}$

Decimal Form:

$x = 1.\overline{3}$

Mixed Number Form:

$x = 1 \frac{1}{3}$

Solve for x 3(x-2)^2(x+5)=3(x+1)^2(x-1)+3

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