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Simplifying 2x2 = 3x(x + 3) Reorder the terms: 2x2 = 3x(3 + x) 2x2 = (3 * 3x + x * 3x) 2x2 = (9x + 3x2) Solving 2x2 = 9x + 3x2 Solving for variable 'x'. Reorder the terms: -9x + 2x2 + -3x2 = 9x + 3x2 + -9x + -3x2 Combine like terms: 2x2 + -3x2 = -1x2 -9x + -1x2 = 9x + 3x2 + -9x + -3x2 Reorder the terms: -9x + -1x2 = 9x + -9x + 3x2 + -3x2 Combine like terms: 9x + -9x = 0 -9x + -1x2 = 0 + 3x2 + -3x2 -9x + -1x2 = 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 -9x + -1x2 = 0 Factor out the Greatest Common Factor (GCF), '-1x'. -1x(9 + 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 '(9 + x)' equal to zero and attempt to solve: Simplifying 9 + x = 0 Solving 9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x = 0 + -9 x = 0 + -9 Combine like terms: 0 + -9 = -9 x = -9 Simplifying x = -9Solution
x = {0, -9}
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