123=3x^2

Solution for 123=3x^2 equation:

Simplifying
123 = 3x2

Solving
123 = 3x2

Solving for variable 'x'.

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

Add '-3x2' to each side of the equation.
123 + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
123 + -3x2 = 0

Add '-123' to each side of the equation.
123 + -123 + -3x2 = 0 + -123

Combine like terms: 123 + -123 = 0
0 + -3x2 = 0 + -123
-3x2 = 0 + -123

Combine like terms: 0 + -123 = -123
-3x2 = -123

Divide each side by '-3'.
x2 = 41

Simplifying
x2 = 41

Take the square root of each side:
x = {-6.403124237, 6.403124237}