3=n^2-2

Solution for 3=n^2-2 equation:

Simplifying
3 = n2 + -2

Reorder the terms:
3 = -2 + n2

Solving
3 = -2 + n2

Solving for variable 'n'.

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

Add '-1n2' to each side of the equation.
3 + -1n2 = -2 + n2 + -1n2

Combine like terms: n2 + -1n2 = 0
3 + -1n2 = -2 + 0
3 + -1n2 = -2

Add '-3' to each side of the equation.
3 + -3 + -1n2 = -2 + -3

Combine like terms: 3 + -3 = 0
0 + -1n2 = -2 + -3
-1n2 = -2 + -3

Combine like terms: -2 + -3 = -5
-1n2 = -5

Divide each side by '-1'.
n2 = 5

Simplifying
n2 = 5

Take the square root of each side:
n = {-2.236067978, 2.236067978}