4-n^2=20

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Solution for 4-n^2=20 equation:


Simplifying
4 + -1n2 = 20

Solving
4 + -1n2 = 20

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 + -1n2 = 20 + -4

Combine like terms: 4 + -4 = 0
0 + -1n2 = 20 + -4
-1n2 = 20 + -4

Combine like terms: 20 + -4 = 16
-1n2 = 16

Divide each side by '-1'.
n2 = -16

Simplifying
n2 = -16

Reorder the terms:
16 + n2 = -16 + 16

Combine like terms: -16 + 16 = 0
16 + n2 = 0

The solution to this equation could not be determined.

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