12x+36+12x-36=3x^2-27

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Solution for 12x+36+12x-36=3x^2-27 equation:


Simplifying
12x + 36 + 12x + -36 = 3x2 + -27

Reorder the terms:
36 + -36 + 12x + 12x = 3x2 + -27

Combine like terms: 36 + -36 = 0
0 + 12x + 12x = 3x2 + -27
12x + 12x = 3x2 + -27

Combine like terms: 12x + 12x = 24x
24x = 3x2 + -27

Reorder the terms:
24x = -27 + 3x2

Solving
24x = -27 + 3x2

Solving for variable 'x'.

Reorder the terms:
27 + 24x + -3x2 = -27 + 3x2 + 27 + -3x2

Reorder the terms:
27 + 24x + -3x2 = -27 + 27 + 3x2 + -3x2

Combine like terms: -27 + 27 = 0
27 + 24x + -3x2 = 0 + 3x2 + -3x2
27 + 24x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
27 + 24x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(9 + 8x + -1x2) = 0

Factor a trinomial.
3((9 + -1x)(1 + x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {9, -1}

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