=9m^2-n^2

Solution for =9m^2-n^2 equation:

Simplifying
0 = 9m2 + -1n2

Solving
0 = 9m2 + -1n2

Solving for variable 'm'.

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

Add '-9m2' to each side of the equation.
0 + -9m2 = 9m2 + -9m2 + -1n2
Remove the zero:
-9m2 = 9m2 + -9m2 + -1n2

Combine like terms: 9m2 + -9m2 = 0
-9m2 = 0 + -1n2
-9m2 = -1n2

Divide each side by '-9'.
m2 = 0.1111111111n2

Simplifying
m2 = 0.1111111111n2

Take the square root of each side:
m = {-0.333333333n, 0.333333333n}