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Simplifying x2 + 8 = -8x + 1 Reorder the terms: 8 + x2 = -8x + 1 Reorder the terms: 8 + x2 = 1 + -8x Solving 8 + x2 = 1 + -8x Solving for variable 'x'. Reorder the terms: 8 + -1 + 8x + x2 = 1 + -8x + -1 + 8x Combine like terms: 8 + -1 = 7 7 + 8x + x2 = 1 + -8x + -1 + 8x Reorder the terms: 7 + 8x + x2 = 1 + -1 + -8x + 8x Combine like terms: 1 + -1 = 0 7 + 8x + x2 = 0 + -8x + 8x 7 + 8x + x2 = -8x + 8x Combine like terms: -8x + 8x = 0 7 + 8x + x2 = 0 Factor a trinomial. (7 + x)(1 + x) = 0Subproblem 1
Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 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 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7Subproblem 2
Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1Solution
x = {-7, -1}
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