N(squared)-n-90=0

Solution for N(squared)-n-90=0 equation:

Simplifying
N(squared) + -1n + -90 = 0

Multiply N * adeqrsu
adeqrsuN + -1n + -90 = 0

Reorder the terms:
-90 + adeqrsuN + -1n = 0

Solving
-90 + adeqrsuN + -1n = 0

Solving for variable 'a'.

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

Add '90' to each side of the equation.
-90 + adeqrsuN + 90 + -1n = 0 + 90

Reorder the terms:
-90 + 90 + adeqrsuN + -1n = 0 + 90

Combine like terms: -90 + 90 = 0
0 + adeqrsuN + -1n = 0 + 90
adeqrsuN + -1n = 0 + 90

Combine like terms: 0 + 90 = 90
adeqrsuN + -1n = 90

Add 'n' to each side of the equation.
adeqrsuN + -1n + n = 90 + n

Combine like terms: -1n + n = 0
adeqrsuN + 0 = 90 + n
adeqrsuN = 90 + n

Divide each side by 'deqrsuN'.
a = 90d-1e-1q-1r-1s-1u-1N-1 + d-1e-1nq-1r-1s-1u-1N-1

Simplifying
a = 90d-1e-1q-1r-1s-1u-1N-1 + d-1e-1nq-1r-1s-1u-1N-1

Reorder the terms:
a = d-1e-1nq-1r-1s-1u-1N-1 + 90d-1e-1q-1r-1s-1u-1N-1