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Simplifying 9x2 = 39x + -12 Reorder the terms: 9x2 = -12 + 39x Solving 9x2 = -12 + 39x Solving for variable 'x'. Reorder the terms: 12 + -39x + 9x2 = -12 + 39x + 12 + -39x Reorder the terms: 12 + -39x + 9x2 = -12 + 12 + 39x + -39x Combine like terms: -12 + 12 = 0 12 + -39x + 9x2 = 0 + 39x + -39x 12 + -39x + 9x2 = 39x + -39x Combine like terms: 39x + -39x = 0 12 + -39x + 9x2 = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(4 + -13x + 3x2) = 0 Factor a trinomial. 3((1 + -3x)(4 + -1x)) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333Subproblem 2
Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 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 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4Solution
x = {0.3333333333, 4}
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