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Simplifying x2 + 9x + 5 = 5x + 5 Reorder the terms: 5 + 9x + x2 = 5x + 5 Reorder the terms: 5 + 9x + x2 = 5 + 5x Add '-5' to each side of the equation. 5 + 9x + -5 + x2 = 5 + -5 + 5x Reorder the terms: 5 + -5 + 9x + x2 = 5 + -5 + 5x Combine like terms: 5 + -5 = 0 0 + 9x + x2 = 5 + -5 + 5x 9x + x2 = 5 + -5 + 5x Combine like terms: 5 + -5 = 0 9x + x2 = 0 + 5x 9x + x2 = 5x Solving 9x + x2 = 5x Solving for variable 'x'. Reorder the terms: 9x + -5x + x2 = 5x + -5x Combine like terms: 9x + -5x = 4x 4x + x2 = 5x + -5x Combine like terms: 5x + -5x = 0 4x + x2 = 0 Factor out the Greatest Common Factor (GCF), 'x'. x(4 + x) = 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 '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 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 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4Solution
x = {0, -4}
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