480=2x*x

Solution for 480=2x*x equation:

Simplifying
480 = 2x * x

Multiply x * x
480 = 2x2

Solving
480 = 2x2

Solving for variable 'x'.

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

Add '-2x2' to each side of the equation.
480 + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
480 + -2x2 = 0

Add '-480' to each side of the equation.
480 + -480 + -2x2 = 0 + -480

Combine like terms: 480 + -480 = 0
0 + -2x2 = 0 + -480
-2x2 = 0 + -480

Combine like terms: 0 + -480 = -480
-2x2 = -480

Divide each side by '-2'.
x2 = 240

Simplifying
x2 = 240

Take the square root of each side:
x = {-15.491933385, 15.491933385}