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Simplifying -1x3 = 15x2 + 36x Reorder the terms: -1x3 = 36x + 15x2 Solving -1x3 = 36x + 15x2 Solving for variable 'x'. Reorder the terms: -36x + -15x2 + -1x3 = 36x + 15x2 + -36x + -15x2 Reorder the terms: -36x + -15x2 + -1x3 = 36x + -36x + 15x2 + -15x2 Combine like terms: 36x + -36x = 0 -36x + -15x2 + -1x3 = 0 + 15x2 + -15x2 -36x + -15x2 + -1x3 = 15x2 + -15x2 Combine like terms: 15x2 + -15x2 = 0 -36x + -15x2 + -1x3 = 0 Factor out the Greatest Common Factor (GCF), '-1x'. -1x(36 + 15x + x2) = 0 Factor a trinomial. -1x((12 + x)(3 + x)) = 0 Ignore the factor -1.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(12 + x)' equal to zero and attempt to solve: Simplifying 12 + x = 0 Solving 12 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + x = 0 + -12 x = 0 + -12 Combine like terms: 0 + -12 = -12 x = -12 Simplifying x = -12Subproblem 3
Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3Solution
x = {0, -12, -3}
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