n^2-144-20=0

Solution for n^2-144-20=0 equation:

Simplifying
n2 + -144 + -20 = 0

Reorder the terms:
-144 + -20 + n2 = 0

Combine like terms: -144 + -20 = -164
-164 + n2 = 0

Solving
-164 + n2 = 0

Solving for variable 'n'.

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

Add '164' to each side of the equation.
-164 + 164 + n2 = 0 + 164

Combine like terms: -164 + 164 = 0
0 + n2 = 0 + 164
n2 = 0 + 164

Combine like terms: 0 + 164 = 164
n2 = 164

Simplifying
n2 = 164

Take the square root of each side:
n = {-12.806248475, 12.806248475}