m(m+13)=-36

Solution for m(m+13)=-36 equation:

Simplifying
m(m + 13) = -36

Reorder the terms:
m(13 + m) = -36
(13 * m + m * m) = -36
(13m + m2) = -36

Solving
13m + m2 = -36

Solving for variable 'm'.

Reorder the terms:
36 + 13m + m2 = -36 + 36

Combine like terms: -36 + 36 = 0
36 + 13m + m2 = 0

Factor a trinomial.
(9 + m)(4 + m) = 0

Subproblem 1
Set the factor '(9 + m)' equal to zero and attempt to solve:

Simplifying
9 + m = 0

Solving
9 + m = 0

Move all terms containing m to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + m = 0 + -9

Combine like terms: 9 + -9 = 0
0 + m = 0 + -9
m = 0 + -9

Combine like terms: 0 + -9 = -9
m = -9

Simplifying
m = -9
Subproblem 2
Set the factor '(4 + m)' equal to zero and attempt to solve:

Simplifying
4 + m = 0

Solving
4 + m = 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 + m = 0 + -4

Combine like terms: 4 + -4 = 0
0 + m = 0 + -4
m = 0 + -4

Combine like terms: 0 + -4 = -4
m = -4

Simplifying
m = -4
Solution
m = {-9, -4}