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Simplifying (2x + -5)(x + -5) = 0 Reorder the terms: (-5 + 2x)(x + -5) = 0 Reorder the terms: (-5 + 2x)(-5 + x) = 0 Multiply (-5 + 2x) * (-5 + x) (-5(-5 + x) + 2x * (-5 + x)) = 0 ((-5 * -5 + x * -5) + 2x * (-5 + x)) = 0 ((25 + -5x) + 2x * (-5 + x)) = 0 (25 + -5x + (-5 * 2x + x * 2x)) = 0 (25 + -5x + (-10x + 2x2)) = 0 Combine like terms: -5x + -10x = -15x (25 + -15x + 2x2) = 0 Solving 25 + -15x + 2x2 = 0 Solving for variable 'x'. Factor a trinomial. (5 + -2x)(5 + -1x) = 0Subproblem 1
Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 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 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5Subproblem 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 = {2.5, 5}
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