n^2=3+18

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Solution for n^2=3+18 equation: 


Simplifying
n2 = 3 + 18

Combine like terms: 3 + 18 = 21
n2 = 21

Solving
n2 = 21

Solving for variable 'n'.

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

Simplifying
n2 = 21

Take the square root of each side:
n = {-4.582575695, 4.582575695}

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