N^2+8=9

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Solution for N^2+8=9 equation: 


Simplifying
N2 + 8 = 9

Reorder the terms:
8 + N2 = 9

Solving
8 + N2 = 9

Solving for variable 'N'.

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

Add '-8' to each side of the equation.
8 + -8 + N2 = 9 + -8

Combine like terms: 8 + -8 = 0
0 + N2 = 9 + -8
N2 = 9 + -8

Combine like terms: 9 + -8 = 1
N2 = 1

Simplifying
N2 = 1

Take the square root of each side:
N = {-1, 1}

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