N^2-9=16

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Solution for N^2-9=16 equation: 


Simplifying
N2 + -9 = 16

Reorder the terms:
-9 + N2 = 16

Solving
-9 + N2 = 16

Solving for variable 'N'.

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

Add '9' to each side of the equation.
-9 + 9 + N2 = 16 + 9

Combine like terms: -9 + 9 = 0
0 + N2 = 16 + 9
N2 = 16 + 9

Combine like terms: 16 + 9 = 25
N2 = 25

Simplifying
N2 = 25

Take the square root of each side:
N = {-5, 5}

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