3x^2-4=68

Solution for 3x^2-4=68 equation:

Simplifying
3x2 + -4 = 68

Reorder the terms:
-4 + 3x2 = 68

Solving
-4 + 3x2 = 68

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 3x2 = 68 + 4

Combine like terms: -4 + 4 = 0
0 + 3x2 = 68 + 4
3x2 = 68 + 4

Combine like terms: 68 + 4 = 72
3x2 = 72

Divide each side by '3'.
x2 = 24

Simplifying
x2 = 24

Take the square root of each side:
x = {-4.898979486, 4.898979486}