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