3x^2-85=0

Solution for 3x^2-85=0 equation:

Simplifying
3x2 + -85 = 0

Reorder the terms:
-85 + 3x2 = 0

Solving
-85 + 3x2 = 0

Solving for variable 'x'.

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

Add '85' to each side of the equation.
-85 + 85 + 3x2 = 0 + 85

Combine like terms: -85 + 85 = 0
0 + 3x2 = 0 + 85
3x2 = 0 + 85

Combine like terms: 0 + 85 = 85
3x2 = 85

Divide each side by '3'.
x2 = 28.33333333

Simplifying
x2 = 28.33333333

Take the square root of each side:
x = {-5.322906474, 5.322906474}