m^2=-8m-15

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Solution for m^2=-8m-15 equation:


Simplifying
m2 = -8m + -15

Reorder the terms:
m2 = -15 + -8m

Solving
m2 = -15 + -8m

Solving for variable 'm'.

Reorder the terms:
15 + 8m + m2 = -15 + -8m + 15 + 8m

Reorder the terms:
15 + 8m + m2 = -15 + 15 + -8m + 8m

Combine like terms: -15 + 15 = 0
15 + 8m + m2 = 0 + -8m + 8m
15 + 8m + m2 = -8m + 8m

Combine like terms: -8m + 8m = 0
15 + 8m + m2 = 0

Factor a trinomial.
(5 + m)(3 + m) = 0

Subproblem 1

Set the factor '(5 + m)' equal to zero and attempt to solve: Simplifying 5 + m = 0 Solving 5 + m = 0 Move all terms containing m to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + m = 0 + -5 Combine like terms: 5 + -5 = 0 0 + m = 0 + -5 m = 0 + -5 Combine like terms: 0 + -5 = -5 m = -5 Simplifying m = -5

Subproblem 2

Set the factor '(3 + m)' equal to zero and attempt to solve: Simplifying 3 + m = 0 Solving 3 + m = 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 + m = 0 + -3 Combine like terms: 3 + -3 = 0 0 + m = 0 + -3 m = 0 + -3 Combine like terms: 0 + -3 = -3 m = -3 Simplifying m = -3

Solution

m = {-5, -3}

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