9m^2-31m-20=0

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Solution for 9m^2-31m-20=0 equation:


Simplifying
9m2 + -31m + -20 = 0

Reorder the terms:
-20 + -31m + 9m2 = 0

Solving
-20 + -31m + 9m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(-5 + -9m)(4 + -1m) = 0

Subproblem 1

Set the factor '(-5 + -9m)' equal to zero and attempt to solve: Simplifying -5 + -9m = 0 Solving -5 + -9m = 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 + -9m = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -9m = 0 + 5 -9m = 0 + 5 Combine like terms: 0 + 5 = 5 -9m = 5 Divide each side by '-9'. m = -0.5555555556 Simplifying m = -0.5555555556

Subproblem 2

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 = 4

Solution

m = {-0.5555555556, 4}

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