3-3x^2=-85

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

Simplifying
3 + -3x2 = -85

Solving
3 + -3x2 = -85

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 + -3x2 = -85 + -3

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

Combine like terms: -85 + -3 = -88
-3x2 = -88

Divide each side by '-3'.
x2 = 29.33333333

Simplifying
x2 = 29.33333333

Take the square root of each side:
x = {-5.416025603, 5.416025603}