N^2-4=71

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Solution for N^2-4=71 equation: 


Simplifying
N2 + -4 = 71

Reorder the terms:
-4 + N2 = 71

Solving
-4 + N2 = 71

Solving for variable 'N'.

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

Add '4' to each side of the equation.
-4 + 4 + N2 = 71 + 4

Combine like terms: -4 + 4 = 0
0 + N2 = 71 + 4
N2 = 71 + 4

Combine like terms: 71 + 4 = 75
N2 = 75

Simplifying
N2 = 75

Take the square root of each side:
N = {-8.660254038, 8.660254038}

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