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