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Simplifying 4x2 + 32x + -13 = 247 Reorder the terms: -13 + 32x + 4x2 = 247 Solving -13 + 32x + 4x2 = 247 Solving for variable 'x'. Reorder the terms: -13 + -247 + 32x + 4x2 = 247 + -247 Combine like terms: -13 + -247 = -260 -260 + 32x + 4x2 = 247 + -247 Combine like terms: 247 + -247 = 0 -260 + 32x + 4x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-65 + 8x + x2) = 0 Factor a trinomial. 4((-13 + -1x)(5 + -1x)) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-13 + -1x)' equal to zero and attempt to solve: Simplifying -13 + -1x = 0 Solving -13 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + -1x = 0 + 13 Combine like terms: -13 + 13 = 0 0 + -1x = 0 + 13 -1x = 0 + 13 Combine like terms: 0 + 13 = 13 -1x = 13 Divide each side by '-1'. x = -13 Simplifying x = -13Subproblem 2
Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5Solution
x = {-13, 5}
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