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Simplifying 5x2 + 12x + 18 = 18 Reorder the terms: 18 + 12x + 5x2 = 18 Add '-18' to each side of the equation. 18 + 12x + -18 + 5x2 = 18 + -18 Reorder the terms: 18 + -18 + 12x + 5x2 = 18 + -18 Combine like terms: 18 + -18 = 0 0 + 12x + 5x2 = 18 + -18 12x + 5x2 = 18 + -18 Combine like terms: 18 + -18 = 0 12x + 5x2 = 0 Solving 12x + 5x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(12 + 5x) = 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 '(12 + 5x)' equal to zero and attempt to solve: Simplifying 12 + 5x = 0 Solving 12 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + 5x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + 5x = 0 + -12 5x = 0 + -12 Combine like terms: 0 + -12 = -12 5x = -12 Divide each side by '5'. x = -2.4 Simplifying x = -2.4Solution
x = {0, -2.4}
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