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Simplifying (x + 8)(x + -5) = 0 Reorder the terms: (8 + x)(x + -5) = 0 Reorder the terms: (8 + x)(-5 + x) = 0 Multiply (8 + x) * (-5 + x) (8(-5 + x) + x(-5 + x)) = 0 ((-5 * 8 + x * 8) + x(-5 + x)) = 0 ((-40 + 8x) + x(-5 + x)) = 0 (-40 + 8x + (-5 * x + x * x)) = 0 (-40 + 8x + (-5x + x2)) = 0 Combine like terms: 8x + -5x = 3x (-40 + 3x + x2) = 0 Solving -40 + 3x + x2 = 0 Solving for variable 'x'. Factor a trinomial. (-8 + -1x)(5 + -1x) = 0Subproblem 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 '(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 = {-8, 5}
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