7m^2-61m-18=0

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Solution for 7m^2-61m-18=0 equation:


Simplifying
7m2 + -61m + -18 = 0

Reorder the terms:
-18 + -61m + 7m2 = 0

Solving
-18 + -61m + 7m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(-2 + -7m)(9 + -1m) = 0

Subproblem 1

Set the factor '(-2 + -7m)' equal to zero and attempt to solve: Simplifying -2 + -7m = 0 Solving -2 + -7m = 0 Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -7m = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -7m = 0 + 2 -7m = 0 + 2 Combine like terms: 0 + 2 = 2 -7m = 2 Divide each side by '-7'. m = -0.2857142857 Simplifying m = -0.2857142857

Subproblem 2

Set the factor '(9 + -1m)' equal to zero and attempt to solve: Simplifying 9 + -1m = 0 Solving 9 + -1m = 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 + -1m = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1m = 0 + -9 -1m = 0 + -9 Combine like terms: 0 + -9 = -9 -1m = -9 Divide each side by '-1'. m = 9 Simplifying m = 9

Solution

m = {-0.2857142857, 9}

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