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Simplifying (2x + -1)(4x + 4) = 0 Reorder the terms: (-1 + 2x)(4x + 4) = 0 Reorder the terms: (-1 + 2x)(4 + 4x) = 0 Multiply (-1 + 2x) * (4 + 4x) (-1(4 + 4x) + 2x * (4 + 4x)) = 0 ((4 * -1 + 4x * -1) + 2x * (4 + 4x)) = 0 ((-4 + -4x) + 2x * (4 + 4x)) = 0 (-4 + -4x + (4 * 2x + 4x * 2x)) = 0 (-4 + -4x + (8x + 8x2)) = 0 Combine like terms: -4x + 8x = 4x (-4 + 4x + 8x2) = 0 Solving -4 + 4x + 8x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '4'. 4(-1 + x + 2x2) = 0 Factor a trinomial. 4((-1 + -1x)(1 + -2x)) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 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 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1Subproblem 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 = {-1, 0.5}
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