m^2+2m-24=-21

Solution for m^2+2m-24=-21 equation:

Simplifying
m2 + 2m + -24 = -21

Reorder the terms:
-24 + 2m + m2 = -21

Solving
-24 + 2m + m2 = -21

Solving for variable 'm'.

Reorder the terms:
-24 + 21 + 2m + m2 = -21 + 21

Combine like terms: -24 + 21 = -3
-3 + 2m + m2 = -21 + 21

Combine like terms: -21 + 21 = 0
-3 + 2m + m2 = 0

Factor a trinomial.
(-3 + -1m)(1 + -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 '(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
Solution
m = {-3, 1}