N+nsquared-90=0

Solution for N+nsquared-90=0 equation:

Simplifying
N + nsquared + -90 = 0

Reorder the terms:
-90 + N + adenqrsu = 0

Solving
-90 + N + adenqrsu = 0

Solving for variable 'N'.

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

Add '90' to each side of the equation.
-90 + N + 90 + adenqrsu = 0 + 90

Reorder the terms:
-90 + 90 + N + adenqrsu = 0 + 90

Combine like terms: -90 + 90 = 0
0 + N + adenqrsu = 0 + 90
N + adenqrsu = 0 + 90

Combine like terms: 0 + 90 = 90
N + adenqrsu = 90

Add '-1adenqrsu' to each side of the equation.
N + adenqrsu + -1adenqrsu = 90 + -1adenqrsu

Combine like terms: adenqrsu + -1adenqrsu = 0
N + 0 = 90 + -1adenqrsu
N = 90 + -1adenqrsu

Simplifying
N = 90 + -1adenqrsu