3m^2-120=18m

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Solution for 3m^2-120=18m equation:


Simplifying
3m2 + -120 = 18m

Reorder the terms:
-120 + 3m2 = 18m

Solving
-120 + 3m2 = 18m

Solving for variable 'm'.

Reorder the terms:
-120 + -18m + 3m2 = 18m + -18m

Combine like terms: 18m + -18m = 0
-120 + -18m + 3m2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-40 + -6m + m2) = 0

Factor a trinomial.
3((-4 + -1m)(10 + -1m)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(10 + -1m)' equal to zero and attempt to solve: Simplifying 10 + -1m = 0 Solving 10 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1m = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1m = 0 + -10 -1m = 0 + -10 Combine like terms: 0 + -10 = -10 -1m = -10 Divide each side by '-1'. m = 10 Simplifying m = 10

Solution

m = {-4, 10}

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