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Simplifying x2 + -4x + 2 = x + -1x2 Reorder the terms: 2 + -4x + x2 = x + -1x2 Solving 2 + -4x + x2 = x + -1x2 Solving for variable 'x'. Reorder the terms: 2 + -4x + -1x + x2 + x2 = x + -1x2 + -1x + x2 Combine like terms: -4x + -1x = -5x 2 + -5x + x2 + x2 = x + -1x2 + -1x + x2 Combine like terms: x2 + x2 = 2x2 2 + -5x + 2x2 = x + -1x2 + -1x + x2 Reorder the terms: 2 + -5x + 2x2 = x + -1x + -1x2 + x2 Combine like terms: x + -1x = 0 2 + -5x + 2x2 = 0 + -1x2 + x2 2 + -5x + 2x2 = -1x2 + x2 Combine like terms: -1x2 + x2 = 0 2 + -5x + 2x2 = 0 Factor a trinomial. (1 + -2x)(2 + -1x) = 0Subproblem 1
Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5Subproblem 2
Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 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 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2Solution
x = {0.5, 2}
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