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Simplifying -7x2 + -1x + -3 = -4 + -8x2 + x Reorder the terms: -3 + -1x + -7x2 = -4 + -8x2 + x Reorder the terms: -3 + -1x + -7x2 = -4 + x + -8x2 Solving -3 + -1x + -7x2 = -4 + x + -8x2 Solving for variable 'x'. Reorder the terms: -3 + 4 + -1x + -1x + -7x2 + 8x2 = -4 + x + -8x2 + 4 + -1x + 8x2 Combine like terms: -3 + 4 = 1 1 + -1x + -1x + -7x2 + 8x2 = -4 + x + -8x2 + 4 + -1x + 8x2 Combine like terms: -1x + -1x = -2x 1 + -2x + -7x2 + 8x2 = -4 + x + -8x2 + 4 + -1x + 8x2 Combine like terms: -7x2 + 8x2 = 1x2 1 + -2x + 1x2 = -4 + x + -8x2 + 4 + -1x + 8x2 Reorder the terms: 1 + -2x + 1x2 = -4 + 4 + x + -1x + -8x2 + 8x2 Combine like terms: -4 + 4 = 0 1 + -2x + 1x2 = 0 + x + -1x + -8x2 + 8x2 1 + -2x + 1x2 = x + -1x + -8x2 + 8x2 Combine like terms: x + -1x = 0 1 + -2x + 1x2 = 0 + -8x2 + 8x2 1 + -2x + 1x2 = -8x2 + 8x2 Combine like terms: -8x2 + 8x2 = 0 1 + -2x + 1x2 = 0 Factor a trinomial. (1 + -1x)(1 + -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 '(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 = {1, 1}
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