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Simplifying (x2) + x + -2 = 4 + -1(x2) x2 + x + -2 = 4 + -1(x2) Reorder the terms: -2 + x + x2 = 4 + -1(x2) Solving -2 + x + x2 = 4 + -1x2 Solving for variable 'x'. Reorder the terms: -2 + -4 + x + x2 + x2 = 4 + -1x2 + -4 + x2 Combine like terms: -2 + -4 = -6 -6 + x + x2 + x2 = 4 + -1x2 + -4 + x2 Combine like terms: x2 + x2 = 2x2 -6 + x + 2x2 = 4 + -1x2 + -4 + x2 Reorder the terms: -6 + x + 2x2 = 4 + -4 + -1x2 + x2 Combine like terms: 4 + -4 = 0 -6 + x + 2x2 = 0 + -1x2 + x2 -6 + x + 2x2 = -1x2 + x2 Combine like terms: -1x2 + x2 = 0 -6 + x + 2x2 = 0 Factor a trinomial. (-2 + -1x)(3 + -2x) = 0Subproblem 1
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 = -2Subproblem 2
Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5Solution
x = {-2, 1.5}
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