n^2-1=3

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Solution for n^2-1=3 equation: 


Simplifying
n2 + -1 = 3

Reorder the terms:
-1 + n2 = 3

Solving
-1 + n2 = 3

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + n2 = 3 + 1

Combine like terms: -1 + 1 = 0
0 + n2 = 3 + 1
n2 = 3 + 1

Combine like terms: 3 + 1 = 4
n2 = 4

Simplifying
n2 = 4

Take the square root of each side:
n = {-2, 2}

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