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