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

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


Simplifying
(3x + 12)(3x + 12) = 0

Reorder the terms:
(12 + 3x)(3x + 12) = 0

Reorder the terms:
(12 + 3x)(12 + 3x) = 0

Multiply (12 + 3x) * (12 + 3x)
(12(12 + 3x) + 3x * (12 + 3x)) = 0
((12 * 12 + 3x * 12) + 3x * (12 + 3x)) = 0
((144 + 36x) + 3x * (12 + 3x)) = 0
(144 + 36x + (12 * 3x + 3x * 3x)) = 0
(144 + 36x + (36x + 9x2)) = 0

Combine like terms: 36x + 36x = 72x
(144 + 72x + 9x2) = 0

Solving
144 + 72x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '9'.
9(16 + 8x + x2) = 0

Factor a trinomial.
9((4 + x)(4 + x)) = 0

Ignore the factor 9.

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {-4, -4}

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