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Simplifying m2 + 81 = -18m Reorder the terms: 81 + m2 = -18m Solving 81 + m2 = -18m Solving for variable 'm'. Reorder the terms: 81 + 18m + m2 = -18m + 18m Combine like terms: -18m + 18m = 0 81 + 18m + m2 = 0 Factor a trinomial. (9 + m)(9 + m) = 0Subproblem 1
Set the factor '(9 + m)' equal to zero and attempt to solve: Simplifying 9 + m = 0 Solving 9 + m = 0 Move all terms containing m to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + m = 0 + -9 Combine like terms: 9 + -9 = 0 0 + m = 0 + -9 m = 0 + -9 Combine like terms: 0 + -9 = -9 m = -9 Simplifying m = -9Subproblem 2
Set the factor '(9 + m)' equal to zero and attempt to solve: Simplifying 9 + m = 0 Solving 9 + m = 0 Move all terms containing m to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + m = 0 + -9 Combine like terms: 9 + -9 = 0 0 + m = 0 + -9 m = 0 + -9 Combine like terms: 0 + -9 = -9 m = -9 Simplifying m = -9Solution
m = {-9, -9}
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