7m^2-224=28m

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Solution for 7m^2-224=28m equation:


Simplifying
7m2 + -224 = 28m

Reorder the terms:
-224 + 7m2 = 28m

Solving
-224 + 7m2 = 28m

Solving for variable 'm'.

Reorder the terms:
-224 + -28m + 7m2 = 28m + -28m

Combine like terms: 28m + -28m = 0
-224 + -28m + 7m2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(-32 + -4m + m2) = 0

Factor a trinomial.
7((-4 + -1m)(8 + -1m)) = 0

Ignore the factor 7.

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 '(8 + -1m)' equal to zero and attempt to solve: Simplifying 8 + -1m = 0 Solving 8 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1m = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1m = 0 + -8 -1m = 0 + -8 Combine like terms: 0 + -8 = -8 -1m = -8 Divide each side by '-1'. m = 8 Simplifying m = 8

Solution

m = {-4, 8}

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