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Simplifying -9x2 + 2x + -4 = -4 Reorder the terms: -4 + 2x + -9x2 = -4 Add '4' to each side of the equation. -4 + 2x + 4 + -9x2 = -4 + 4 Reorder the terms: -4 + 4 + 2x + -9x2 = -4 + 4 Combine like terms: -4 + 4 = 0 0 + 2x + -9x2 = -4 + 4 2x + -9x2 = -4 + 4 Combine like terms: -4 + 4 = 0 2x + -9x2 = 0 Solving 2x + -9x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(2 + -9x) = 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 '(2 + -9x)' equal to zero and attempt to solve: Simplifying 2 + -9x = 0 Solving 2 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -9x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -9x = 0 + -2 -9x = 0 + -2 Combine like terms: 0 + -2 = -2 -9x = -2 Divide each side by '-9'. x = 0.2222222222 Simplifying x = 0.2222222222Solution
x = {0, 0.2222222222}
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