-72n^2+18=0

Solution for -72n^2+18=0 equation:

Simplifying
-72n2 + 18 = 0

Reorder the terms:
18 + -72n2 = 0

Solving
18 + -72n2 = 0

Solving for variable 'n'.

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

Add '-18' to each side of the equation.
18 + -18 + -72n2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -72n2 = 0 + -18
-72n2 = 0 + -18

Combine like terms: 0 + -18 = -18
-72n2 = -18

Divide each side by '-72'.
n2 = 0.25

Simplifying
n2 = 0.25

Take the square root of each side:
n = {-0.5, 0.5}