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Simplifying 7x2 = -64 + -64x Solving 7x2 = -64 + -64x Solving for variable 'x'. Reorder the terms: 64 + 64x + 7x2 = -64 + -64x + 64 + 64x Reorder the terms: 64 + 64x + 7x2 = -64 + 64 + -64x + 64x Combine like terms: -64 + 64 = 0 64 + 64x + 7x2 = 0 + -64x + 64x 64 + 64x + 7x2 = -64x + 64x Combine like terms: -64x + 64x = 0 64 + 64x + 7x2 = 0 Factor a trinomial. (8 + x)(8 + 7x) = 0Subproblem 1
Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8Subproblem 2
Set the factor '(8 + 7x)' equal to zero and attempt to solve: Simplifying 8 + 7x = 0 Solving 8 + 7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 7x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 7x = 0 + -8 7x = 0 + -8 Combine like terms: 0 + -8 = -8 7x = -8 Divide each side by '7'. x = -1.142857143 Simplifying x = -1.142857143Solution
x = {-8, -1.142857143}
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