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Simplifying 2x2 + -8x + 1 = x2 + -6 Reorder the terms: 1 + -8x + 2x2 = x2 + -6 Reorder the terms: 1 + -8x + 2x2 = -6 + x2 Solving 1 + -8x + 2x2 = -6 + x2 Solving for variable 'x'. Reorder the terms: 1 + 6 + -8x + 2x2 + -1x2 = -6 + x2 + 6 + -1x2 Combine like terms: 1 + 6 = 7 7 + -8x + 2x2 + -1x2 = -6 + x2 + 6 + -1x2 Combine like terms: 2x2 + -1x2 = 1x2 7 + -8x + 1x2 = -6 + x2 + 6 + -1x2 Reorder the terms: 7 + -8x + 1x2 = -6 + 6 + x2 + -1x2 Combine like terms: -6 + 6 = 0 7 + -8x + 1x2 = 0 + x2 + -1x2 7 + -8x + 1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 7 + -8x + 1x2 = 0 Factor a trinomial. (1 + -1x)(7 + -1x) = 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 '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7Solution
x = {1, 7}
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