3n^2+9=-12

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Solution for 3n^2+9=-12 equation:


Simplifying
3n2 + 9 = -12

Reorder the terms:
9 + 3n2 = -12

Solving
9 + 3n2 = -12

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 + 3n2 = -12 + -9

Combine like terms: 9 + -9 = 0
0 + 3n2 = -12 + -9
3n2 = -12 + -9

Combine like terms: -12 + -9 = -21
3n2 = -21

Divide each side by '3'.
n2 = -7

Simplifying
n2 = -7

Reorder the terms:
7 + n2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + n2 = 0

The solution to this equation could not be determined.

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