0=3x^2+12x-36

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Solution for 0=3x^2+12x-36 equation:


Simplifying
0 = 3x2 + 12x + -36

Reorder the terms:
0 = -36 + 12x + 3x2

Solving
0 = -36 + 12x + 3x2

Solving for variable 'x'.

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

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

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

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

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

Factor out the Greatest Common Factor (GCF), '3'.
3(12 + -4x + -1x2) = 0

Factor a trinomial.
3((2 + -1x)(6 + x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Solution

x = {2, -6}

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