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Simplifying 4x2 = -28x + 32 Reorder the terms: 4x2 = 32 + -28x Solving 4x2 = 32 + -28x Solving for variable 'x'. Reorder the terms: -32 + 28x + 4x2 = 32 + -28x + -32 + 28x Reorder the terms: -32 + 28x + 4x2 = 32 + -32 + -28x + 28x Combine like terms: 32 + -32 = 0 -32 + 28x + 4x2 = 0 + -28x + 28x -32 + 28x + 4x2 = -28x + 28x Combine like terms: -28x + 28x = 0 -32 + 28x + 4x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-8 + 7x + x2) = 0 Factor a trinomial. 4((-8 + -1x)(1 + -1x)) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8Subproblem 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 = {-8, 1}
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