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Simplifying x2 + 67x + 66 = 0 Reorder the terms: 66 + 67x + x2 = 0 Solving 66 + 67x + x2 = 0 Solving for variable 'x'. Factor a trinomial. (66 + x)(1 + x) = 0Subproblem 1
Set the factor '(66 + x)' equal to zero and attempt to solve: Simplifying 66 + x = 0 Solving 66 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-66' to each side of the equation. 66 + -66 + x = 0 + -66 Combine like terms: 66 + -66 = 0 0 + x = 0 + -66 x = 0 + -66 Combine like terms: 0 + -66 = -66 x = -66 Simplifying x = -66Subproblem 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 = {-66, -1}
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