m^2+2m-87=-7

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Solution for m^2+2m-87=-7 equation:


Simplifying
m2 + 2m + -87 = -7

Reorder the terms:
-87 + 2m + m2 = -7

Solving
-87 + 2m + m2 = -7

Solving for variable 'm'.

Reorder the terms:
-87 + 7 + 2m + m2 = -7 + 7

Combine like terms: -87 + 7 = -80
-80 + 2m + m2 = -7 + 7

Combine like terms: -7 + 7 = 0
-80 + 2m + m2 = 0

Factor a trinomial.
(-10 + -1m)(8 + -1m) = 0

Subproblem 1

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

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 = {-10, 8}

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