n^2+3-12=6

Solution for n^2+3-12=6 equation:

Simplifying
n2 + 3 + -12 = 6

Reorder the terms:
3 + -12 + n2 = 6

Combine like terms: 3 + -12 = -9
-9 + n2 = 6

Solving
-9 + n2 = 6

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 + n2 = 6 + 9

Combine like terms: -9 + 9 = 0
0 + n2 = 6 + 9
n2 = 6 + 9

Combine like terms: 6 + 9 = 15
n2 = 15

Simplifying
n2 = 15

Take the square root of each side:
n = {-3.872983346, 3.872983346}