-3+n^2=20

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Solution for -3+n^2=20 equation: 


Simplifying
-3 + n2 = 20

Solving
-3 + n2 = 20

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + n2 = 20 + 3

Combine like terms: -3 + 3 = 0
0 + n2 = 20 + 3
n2 = 20 + 3

Combine like terms: 20 + 3 = 23
n2 = 23

Simplifying
n2 = 23

Take the square root of each side:
n = {-4.795831523, 4.795831523}

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