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Simplifying x2 + 6x + 20 = 180 Reorder the terms: 20 + 6x + x2 = 180 Solving 20 + 6x + x2 = 180 Solving for variable 'x'. Reorder the terms: 20 + -180 + 6x + x2 = 180 + -180 Combine like terms: 20 + -180 = -160 -160 + 6x + x2 = 180 + -180 Combine like terms: 180 + -180 = 0 -160 + 6x + x2 = 0 Factor a trinomial. (-16 + -1x)(10 + -1x) = 0Subproblem 1
Set the factor '(-16 + -1x)' equal to zero and attempt to solve: Simplifying -16 + -1x = 0 Solving -16 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + -1x = 0 + 16 Combine like terms: -16 + 16 = 0 0 + -1x = 0 + 16 -1x = 0 + 16 Combine like terms: 0 + 16 = 16 -1x = 16 Divide each side by '-1'. x = -16 Simplifying x = -16Subproblem 2
Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10Solution
x = {-16, 10}
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