2n^2+6=126

Solution for 2n^2+6=126 equation:

Simplifying
2n2 + 6 = 126

Reorder the terms:
6 + 2n2 = 126

Solving
6 + 2n2 = 126

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + 2n2 = 126 + -6

Combine like terms: 6 + -6 = 0
0 + 2n2 = 126 + -6
2n2 = 126 + -6

Combine like terms: 126 + -6 = 120
2n2 = 120

Divide each side by '2'.
n2 = 60

Simplifying
n2 = 60

Take the square root of each side:
n = {-7.745966692, 7.745966692}