8x^2+3=123

Solution for 8x^2+3=123 equation:

Simplifying
8x2 + 3 = 123

Reorder the terms:
3 + 8x2 = 123

Solving
3 + 8x2 = 123

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 8x2 = 123 + -3

Combine like terms: 3 + -3 = 0
0 + 8x2 = 123 + -3
8x2 = 123 + -3

Combine like terms: 123 + -3 = 120
8x2 = 120

Divide each side by '8'.
x2 = 15

Simplifying
x2 = 15

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