2n^2+9=27

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Solution for 2n^2+9=27 equation: 


Simplifying
2n2 + 9 = 27

Reorder the terms:
9 + 2n2 = 27

Solving
9 + 2n2 = 27

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 2n2 = 27 + -9

Combine like terms: 9 + -9 = 0
0 + 2n2 = 27 + -9
2n2 = 27 + -9

Combine like terms: 27 + -9 = 18
2n2 = 18

Divide each side by '2'.
n2 = 9

Simplifying
n2 = 9

Take the square root of each side:
n = {-3, 3}

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