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Simplifying 49 = -5m2 + 42m Reorder the terms: 49 = 42m + -5m2 Solving 49 = 42m + -5m2 Solving for variable 'm'. Reorder the terms: 49 + -42m + 5m2 = 42m + -42m + -5m2 + 5m2 Combine like terms: 42m + -42m = 0 49 + -42m + 5m2 = 0 + -5m2 + 5m2 49 + -42m + 5m2 = -5m2 + 5m2 Combine like terms: -5m2 + 5m2 = 0 49 + -42m + 5m2 = 0 Factor a trinomial. (7 + -5m)(7 + -1m) = 0Subproblem 1
Set the factor '(7 + -5m)' equal to zero and attempt to solve: Simplifying 7 + -5m = 0 Solving 7 + -5m = 0 Move all terms containing m to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -5m = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5m = 0 + -7 -5m = 0 + -7 Combine like terms: 0 + -7 = -7 -5m = -7 Divide each side by '-5'. m = 1.4 Simplifying m = 1.4Subproblem 2
Set the factor '(7 + -1m)' equal to zero and attempt to solve: Simplifying 7 + -1m = 0 Solving 7 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1m = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1m = 0 + -7 -1m = 0 + -7 Combine like terms: 0 + -7 = -7 -1m = -7 Divide each side by '-1'. m = 7 Simplifying m = 7Solution
m = {1.4, 7}
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