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Simplifying 3m2 + -120 = 18m Reorder the terms: -120 + 3m2 = 18m Solving -120 + 3m2 = 18m Solving for variable 'm'. Reorder the terms: -120 + -18m + 3m2 = 18m + -18m Combine like terms: 18m + -18m = 0 -120 + -18m + 3m2 = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(-40 + -6m + m2) = 0 Factor a trinomial. 3((-4 + -1m)(10 + -1m)) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-4 + -1m)' equal to zero and attempt to solve: Simplifying -4 + -1m = 0 Solving -4 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1m = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1m = 0 + 4 -1m = 0 + 4 Combine like terms: 0 + 4 = 4 -1m = 4 Divide each side by '-1'. m = -4 Simplifying m = -4Subproblem 2
Set the factor '(10 + -1m)' equal to zero and attempt to solve: Simplifying 10 + -1m = 0 Solving 10 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1m = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1m = 0 + -10 -1m = 0 + -10 Combine like terms: 0 + -10 = -10 -1m = -10 Divide each side by '-1'. m = 10 Simplifying m = 10Solution
m = {-4, 10}
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