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Simplifying 15x2 = 8x + -2x3 Solving 15x2 = 8x + -2x3 Solving for variable 'x'. Reorder the terms: -8x + 15x2 + 2x3 = 8x + -2x3 + -8x + 2x3 Reorder the terms: -8x + 15x2 + 2x3 = 8x + -8x + -2x3 + 2x3 Combine like terms: 8x + -8x = 0 -8x + 15x2 + 2x3 = 0 + -2x3 + 2x3 -8x + 15x2 + 2x3 = -2x3 + 2x3 Combine like terms: -2x3 + 2x3 = 0 -8x + 15x2 + 2x3 = 0 Factor out the Greatest Common Factor (GCF), 'x'. x(-8 + 15x + 2x2) = 0 Factor a trinomial. x((-8 + -1x)(1 + -2x)) = 0Subproblem 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 '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8Subproblem 3
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 = 0.5Solution
x = {0, -8, 0.5}
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