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Simplifying -2x(2x + -1) = 4x Reorder the terms: -2x(-1 + 2x) = 4x (-1 * -2x + 2x * -2x) = 4x (2x + -4x2) = 4x Solving 2x + -4x2 = 4x Solving for variable 'x'. Reorder the terms: 2x + -4x + -4x2 = 4x + -4x Combine like terms: 2x + -4x = -2x -2x + -4x2 = 4x + -4x Combine like terms: 4x + -4x = 0 -2x + -4x2 = 0 Factor out the Greatest Common Factor (GCF), '-2x'. -2x(1 + 2x) = 0 Ignore the factor -2.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 '(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, -0.5}
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