3x^2+6=12

Solution for 3x^2+6=12 equation:

Simplifying
3x2 + 6 = 12

Reorder the terms:
6 + 3x2 = 12

Solving
6 + 3x2 = 12

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 3x2 = 12 + -6

Combine like terms: 6 + -6 = 0
0 + 3x2 = 12 + -6
3x2 = 12 + -6

Combine like terms: 12 + -6 = 6
3x2 = 6

Divide each side by '3'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}