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Simplifying (4x + -1)(2x + 2) = 12 Reorder the terms: (-1 + 4x)(2x + 2) = 12 Reorder the terms: (-1 + 4x)(2 + 2x) = 12 Multiply (-1 + 4x) * (2 + 2x) (-1(2 + 2x) + 4x * (2 + 2x)) = 12 ((2 * -1 + 2x * -1) + 4x * (2 + 2x)) = 12 ((-2 + -2x) + 4x * (2 + 2x)) = 12 (-2 + -2x + (2 * 4x + 2x * 4x)) = 12 (-2 + -2x + (8x + 8x2)) = 12 Combine like terms: -2x + 8x = 6x (-2 + 6x + 8x2) = 12 Solving -2 + 6x + 8x2 = 12 Solving for variable 'x'. Reorder the terms: -2 + -12 + 6x + 8x2 = 12 + -12 Combine like terms: -2 + -12 = -14 -14 + 6x + 8x2 = 12 + -12 Combine like terms: 12 + -12 = 0 -14 + 6x + 8x2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-7 + 3x + 4x2) = 0 Factor a trinomial. 2((-7 + -4x)(1 + -1x)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-7 + -4x)' equal to zero and attempt to solve: Simplifying -7 + -4x = 0 Solving -7 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -4x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -4x = 0 + 7 -4x = 0 + 7 Combine like terms: 0 + 7 = 7 -4x = 7 Divide each side by '-4'. x = -1.75 Simplifying x = -1.75Subproblem 2
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 = 1Solution
x = {-1.75, 1}
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