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Simplifying -5x(x + -2) + x = -1(x + -4) Reorder the terms: -5x(-2 + x) + x = -1(x + -4) (-2 * -5x + x * -5x) + x = -1(x + -4) (10x + -5x2) + x = -1(x + -4) Reorder the terms: 10x + x + -5x2 = -1(x + -4) Combine like terms: 10x + x = 11x 11x + -5x2 = -1(x + -4) Reorder the terms: 11x + -5x2 = -1(-4 + x) 11x + -5x2 = (-4 * -1 + x * -1) 11x + -5x2 = (4 + -1x) Solving 11x + -5x2 = 4 + -1x Solving for variable 'x'. Reorder the terms: -4 + 11x + x + -5x2 = 4 + -1x + -4 + x Combine like terms: 11x + x = 12x -4 + 12x + -5x2 = 4 + -1x + -4 + x Reorder the terms: -4 + 12x + -5x2 = 4 + -4 + -1x + x Combine like terms: 4 + -4 = 0 -4 + 12x + -5x2 = 0 + -1x + x -4 + 12x + -5x2 = -1x + x Combine like terms: -1x + x = 0 -4 + 12x + -5x2 = 0 Factor a trinomial. (-2 + x)(2 + -5x) = 0Subproblem 1
Set the factor '(-2 + x)' equal to zero and attempt to solve: Simplifying -2 + x = 0 Solving -2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + x = 0 + 2 x = 0 + 2 Combine like terms: 0 + 2 = 2 x = 2 Simplifying x = 2Subproblem 2
Set the factor '(2 + -5x)' equal to zero and attempt to solve: Simplifying 2 + -5x = 0 Solving 2 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5x = 0 + -2 -5x = 0 + -2 Combine like terms: 0 + -2 = -2 -5x = -2 Divide each side by '-5'. x = 0.4 Simplifying x = 0.4Solution
x = {2, 0.4}
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