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Simplifying -1x(2x + -3) + -1(-1) + -2 = 5(x + -1) * 2 Reorder the terms: -1x(-3 + 2x) + -1(-1) + -2 = 5(x + -1) * 2 (-3 * -1x + 2x * -1x) + -1(-1) + -2 = 5(x + -1) * 2 (3x + -2x2) + -1(-1) + -2 = 5(x + -1) * 2 Multiply -1 * -1 3x + -2x2 + 1 + -2 = 5(x + -1) * 2 Reorder the terms: 1 + -2 + 3x + -2x2 = 5(x + -1) * 2 Combine like terms: 1 + -2 = -1 -1 + 3x + -2x2 = 5(x + -1) * 2 Reorder the terms: -1 + 3x + -2x2 = 5(-1 + x) * 2 Reorder the terms for easier multiplication: -1 + 3x + -2x2 = 5 * 2(-1 + x) Multiply 5 * 2 -1 + 3x + -2x2 = 10(-1 + x) -1 + 3x + -2x2 = (-1 * 10 + x * 10) -1 + 3x + -2x2 = (-10 + 10x) Solving -1 + 3x + -2x2 = -10 + 10x Solving for variable 'x'. Reorder the terms: -1 + 10 + 3x + -10x + -2x2 = -10 + 10x + 10 + -10x Combine like terms: -1 + 10 = 9 9 + 3x + -10x + -2x2 = -10 + 10x + 10 + -10x Combine like terms: 3x + -10x = -7x 9 + -7x + -2x2 = -10 + 10x + 10 + -10x Reorder the terms: 9 + -7x + -2x2 = -10 + 10 + 10x + -10x Combine like terms: -10 + 10 = 0 9 + -7x + -2x2 = 0 + 10x + -10x 9 + -7x + -2x2 = 10x + -10x Combine like terms: 10x + -10x = 0 9 + -7x + -2x2 = 0 Factor a trinomial. (1 + -1x)(9 + 2x) = 0Subproblem 1
Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1Subproblem 2
Set the factor '(9 + 2x)' equal to zero and attempt to solve: Simplifying 9 + 2x = 0 Solving 9 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2x = 0 + -9 2x = 0 + -9 Combine like terms: 0 + -9 = -9 2x = -9 Divide each side by '2'. x = -4.5 Simplifying x = -4.5Solution
x = {1, -4.5}
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