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Simplifying x2 + -6x + -16 = 39 Reorder the terms: -16 + -6x + x2 = 39 Solving -16 + -6x + x2 = 39 Solving for variable 'x'. Reorder the terms: -16 + -39 + -6x + x2 = 39 + -39 Combine like terms: -16 + -39 = -55 -55 + -6x + x2 = 39 + -39 Combine like terms: 39 + -39 = 0 -55 + -6x + x2 = 0 Factor a trinomial. (-5 + -1x)(11 + -1x) = 0Subproblem 1
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 = -5Subproblem 2
Set the factor '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11Solution
x = {-5, 11}
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