m^2=8m+9

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Solution for m^2=8m+9 equation:


Simplifying
m2 = 8m + 9

Reorder the terms:
m2 = 9 + 8m

Solving
m2 = 9 + 8m

Solving for variable 'm'.

Reorder the terms:
-9 + -8m + m2 = 9 + 8m + -9 + -8m

Reorder the terms:
-9 + -8m + m2 = 9 + -9 + 8m + -8m

Combine like terms: 9 + -9 = 0
-9 + -8m + m2 = 0 + 8m + -8m
-9 + -8m + m2 = 8m + -8m

Combine like terms: 8m + -8m = 0
-9 + -8m + m2 = 0

Factor a trinomial.
(-1 + -1m)(9 + -1m) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(9 + -1m)' equal to zero and attempt to solve: Simplifying 9 + -1m = 0 Solving 9 + -1m = 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 + -1m = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1m = 0 + -9 -1m = 0 + -9 Combine like terms: 0 + -9 = -9 -1m = -9 Divide each side by '-1'. m = 9 Simplifying m = 9

Solution

m = {-1, 9}

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