m^2-12m-28=0

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Solution for m^2-12m-28=0 equation:


Simplifying
m2 + -12m + -28 = 0

Reorder the terms:
-28 + -12m + m2 = 0

Solving
-28 + -12m + m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(-2 + -1m)(14 + -1m) = 0

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 '(14 + -1m)' equal to zero and attempt to solve: Simplifying 14 + -1m = 0 Solving 14 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -1m = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -1m = 0 + -14 -1m = 0 + -14 Combine like terms: 0 + -14 = -14 -1m = -14 Divide each side by '-1'. m = 14 Simplifying m = 14

Solution

m = {-2, 14}

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