3n^2-28+12=0

Solution for 3n^2-28+12=0 equation:

Simplifying
3n2 + -28 + 12 = 0

Reorder the terms:
-28 + 12 + 3n2 = 0

Combine like terms: -28 + 12 = -16
-16 + 3n2 = 0

Solving
-16 + 3n2 = 0

Solving for variable 'n'.

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

Add '16' to each side of the equation.
-16 + 16 + 3n2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 3n2 = 0 + 16
3n2 = 0 + 16

Combine like terms: 0 + 16 = 16
3n2 = 16

Divide each side by '3'.
n2 = 5.333333333

Simplifying
n2 = 5.333333333

Take the square root of each side:
n = {-2.309401077, 2.309401077}