(x+3)(x+3)=8x+12

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Solution for (x+3)(x+3)=8x+12 equation:


Simplifying
(x + 3)(x + 3) = 8x + 12

Reorder the terms:
(3 + x)(x + 3) = 8x + 12

Reorder the terms:
(3 + x)(3 + x) = 8x + 12

Multiply (3 + x) * (3 + x)
(3(3 + x) + x(3 + x)) = 8x + 12
((3 * 3 + x * 3) + x(3 + x)) = 8x + 12
((9 + 3x) + x(3 + x)) = 8x + 12
(9 + 3x + (3 * x + x * x)) = 8x + 12
(9 + 3x + (3x + x2)) = 8x + 12

Combine like terms: 3x + 3x = 6x
(9 + 6x + x2) = 8x + 12

Reorder the terms:
9 + 6x + x2 = 12 + 8x

Solving
9 + 6x + x2 = 12 + 8x

Solving for variable 'x'.

Reorder the terms:
9 + -12 + 6x + -8x + x2 = 12 + 8x + -12 + -8x

Combine like terms: 9 + -12 = -3
-3 + 6x + -8x + x2 = 12 + 8x + -12 + -8x

Combine like terms: 6x + -8x = -2x
-3 + -2x + x2 = 12 + 8x + -12 + -8x

Reorder the terms:
-3 + -2x + x2 = 12 + -12 + 8x + -8x

Combine like terms: 12 + -12 = 0
-3 + -2x + x2 = 0 + 8x + -8x
-3 + -2x + x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-3 + -2x + x2 = 0

Factor a trinomial.
(-1 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-1, 3}

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