3m^2+8m=115

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Solution for 3m^2+8m=115 equation:


Simplifying
3m2 + 8m = 115

Reorder the terms:
8m + 3m2 = 115

Solving
8m + 3m2 = 115

Solving for variable 'm'.

Reorder the terms:
-115 + 8m + 3m2 = 115 + -115

Combine like terms: 115 + -115 = 0
-115 + 8m + 3m2 = 0

Factor a trinomial.
(-23 + -3m)(5 + -1m) = 0

Subproblem 1

Set the factor '(-23 + -3m)' equal to zero and attempt to solve: Simplifying -23 + -3m = 0 Solving -23 + -3m = 0 Move all terms containing m to the left, all other terms to the right. Add '23' to each side of the equation. -23 + 23 + -3m = 0 + 23 Combine like terms: -23 + 23 = 0 0 + -3m = 0 + 23 -3m = 0 + 23 Combine like terms: 0 + 23 = 23 -3m = 23 Divide each side by '-3'. m = -7.666666667 Simplifying m = -7.666666667

Subproblem 2

Set the factor '(5 + -1m)' equal to zero and attempt to solve: Simplifying 5 + -1m = 0 Solving 5 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1m = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1m = 0 + -5 -1m = 0 + -5 Combine like terms: 0 + -5 = -5 -1m = -5 Divide each side by '-1'. m = 5 Simplifying m = 5

Solution

m = {-7.666666667, 5}

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