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Simplifying 30x3 = 3x2 + 9x Reorder the terms: 30x3 = 9x + 3x2 Solving 30x3 = 9x + 3x2 Solving for variable 'x'. Reorder the terms: -9x + -3x2 + 30x3 = 9x + 3x2 + -9x + -3x2 Reorder the terms: -9x + -3x2 + 30x3 = 9x + -9x + 3x2 + -3x2 Combine like terms: 9x + -9x = 0 -9x + -3x2 + 30x3 = 0 + 3x2 + -3x2 -9x + -3x2 + 30x3 = 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 -9x + -3x2 + 30x3 = 0 Factor out the Greatest Common Factor (GCF), '3x'. 3x(-3 + -1x + 10x2) = 0 Factor a trinomial. 3x((-1 + -2x)(3 + -5x)) = 0 Ignore the factor 3.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 '(-1 + -2x)' equal to zero and attempt to solve: Simplifying -1 + -2x = 0 Solving -1 + -2x = 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 + -2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2x = 0 + 1 -2x = 0 + 1 Combine like terms: 0 + 1 = 1 -2x = 1 Divide each side by '-2'. x = -0.5 Simplifying x = -0.5Subproblem 3
Set the factor '(3 + -5x)' equal to zero and attempt to solve: Simplifying 3 + -5x = 0 Solving 3 + -5x = 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 + -5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5x = 0 + -3 -5x = 0 + -3 Combine like terms: 0 + -3 = -3 -5x = -3 Divide each side by '-5'. x = 0.6 Simplifying x = 0.6Solution
x = {0, -0.5, 0.6}
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