800=x^2

Solution for 800=x^2 equation:

Simplifying
800 = x2

Solving
800 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
800 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
800 + -1x2 = 0

Add '-800' to each side of the equation.
800 + -800 + -1x2 = 0 + -800

Combine like terms: 800 + -800 = 0
0 + -1x2 = 0 + -800
-1x2 = 0 + -800

Combine like terms: 0 + -800 = -800
-1x2 = -800

Divide each side by '-1'.
x2 = 800

Simplifying
x2 = 800

Take the square root of each side:
x = {-28.284271247, 28.284271247}