7m^2-14m-14=7

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Solution for 7m^2-14m-14=7 equation:


Simplifying
7m2 + -14m + -14 = 7

Reorder the terms:
-14 + -14m + 7m2 = 7

Solving
-14 + -14m + 7m2 = 7

Solving for variable 'm'.

Reorder the terms:
-14 + -7 + -14m + 7m2 = 7 + -7

Combine like terms: -14 + -7 = -21
-21 + -14m + 7m2 = 7 + -7

Combine like terms: 7 + -7 = 0
-21 + -14m + 7m2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(-3 + -2m + m2) = 0

Factor a trinomial.
7((-1 + -1m)(3 + -1m)) = 0

Ignore the factor 7.

Subproblem 1

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

Subproblem 2

Set the factor '(3 + -1m)' equal to zero and attempt to solve: Simplifying 3 + -1m = 0 Solving 3 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1m = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1m = 0 + -3 -1m = 0 + -3 Combine like terms: 0 + -3 = -3 -1m = -3 Divide each side by '-1'. m = 3 Simplifying m = 3

Solution

m = {-1, 3}

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