800-20x^2=0

Solution for 800-20x^2=0 equation:

Simplifying
800 + -20x2 = 0

Solving
800 + -20x2 = 0

Solving for variable 'x'.

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

Add '-800' to each side of the equation.
800 + -800 + -20x2 = 0 + -800

Combine like terms: 800 + -800 = 0
0 + -20x2 = 0 + -800
-20x2 = 0 + -800

Combine like terms: 0 + -800 = -800
-20x2 = -800

Divide each side by '-20'.
x2 = 40

Simplifying
x2 = 40

Take the square root of each side:
x = {-6.32455532, 6.32455532}