5m^2-20m-65=-5

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Solution for 5m^2-20m-65=-5 equation:


Simplifying
5m2 + -20m + -65 = -5

Reorder the terms:
-65 + -20m + 5m2 = -5

Solving
-65 + -20m + 5m2 = -5

Solving for variable 'm'.

Reorder the terms:
-65 + 5 + -20m + 5m2 = -5 + 5

Combine like terms: -65 + 5 = -60
-60 + -20m + 5m2 = -5 + 5

Combine like terms: -5 + 5 = 0
-60 + -20m + 5m2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-12 + -4m + m2) = 0

Factor a trinomial.
5((-2 + -1m)(6 + -1m)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-2 + -1m)' equal to zero and attempt to solve: Simplifying -2 + -1m = 0 Solving -2 + -1m = 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 + -1m = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1m = 0 + 2 -1m = 0 + 2 Combine like terms: 0 + 2 = 2 -1m = 2 Divide each side by '-1'. m = -2 Simplifying m = -2

Subproblem 2

Set the factor '(6 + -1m)' equal to zero and attempt to solve: Simplifying 6 + -1m = 0 Solving 6 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1m = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1m = 0 + -6 -1m = 0 + -6 Combine like terms: 0 + -6 = -6 -1m = -6 Divide each side by '-1'. m = 6 Simplifying m = 6

Solution

m = {-2, 6}

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