m(m-9)=-18

Solution for m(m-9)=-18 equation:

Simplifying
m(m + -9) = -18

Reorder the terms:
m(-9 + m) = -18
(-9 * m + m * m) = -18
(-9m + m2) = -18

Solving
-9m + m2 = -18

Solving for variable 'm'.

Reorder the terms:
18 + -9m + m2 = -18 + 18

Combine like terms: -18 + 18 = 0
18 + -9m + m2 = 0

Factor a trinomial.
(3 + -1m)(6 + -1m) = 0

Subproblem 1
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
Subproblem 2
Set the factor '(6 + -1m)' equal to zero and attempt to solve:

Simplifying
6 + -1m = 0

Solving
6 + -1m = 0

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

Add '-6' to each side of the equation.
6 + -6 + -1m = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1m = 0 + -6
-1m = 0 + -6

Combine like terms: 0 + -6 = -6
-1m = -6

Divide each side by '-1'.
m = 6

Simplifying
m = 6
Solution
m = {3, 6}