36m^2-81=0

Solution for 36m^2-81=0 equation:

Simplifying
36m2 + -81 = 0

Reorder the terms:
-81 + 36m2 = 0

Solving
-81 + 36m2 = 0

Solving for variable 'm'.

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

Add '81' to each side of the equation.
-81 + 81 + 36m2 = 0 + 81

Combine like terms: -81 + 81 = 0
0 + 36m2 = 0 + 81
36m2 = 0 + 81

Combine like terms: 0 + 81 = 81
36m2 = 81

Divide each side by '36'.
m2 = 2.25

Simplifying
m2 = 2.25

Take the square root of each side:
m = {-1.5, 1.5}