n^2-42=-20

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Solution for n^2-42=-20 equation: 


Simplifying
n2 + -42 = -20

Reorder the terms:
-42 + n2 = -20

Solving
-42 + n2 = -20

Solving for variable 'n'.

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

Add '42' to each side of the equation.
-42 + 42 + n2 = -20 + 42

Combine like terms: -42 + 42 = 0
0 + n2 = -20 + 42
n2 = -20 + 42

Combine like terms: -20 + 42 = 22
n2 = 22

Simplifying
n2 = 22

Take the square root of each side:
n = {-4.69041576, 4.69041576}

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