30-2x*x=-6

Solution for 30-2x*x=-6 equation:

Simplifying
30 + -2x * x = -6

Multiply x * x
30 + -2x2 = -6

Solving
30 + -2x2 = -6

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -2x2 = -6 + -30

Combine like terms: 30 + -30 = 0
0 + -2x2 = -6 + -30
-2x2 = -6 + -30

Combine like terms: -6 + -30 = -36
-2x2 = -36

Divide each side by '-2'.
x2 = 18

Simplifying
x2 = 18

Take the square root of each side:
x = {-4.242640687, 4.242640687}