0=20x*20x

Solution for 0=20x*20x equation:

Simplifying
0 = 20x * 20x

Reorder the terms for easier multiplication:
0 = 20 * 20x * x

Multiply 20 * 20
0 = 400x * x

Multiply x * x
0 = 400x2

Solving
0 = 400x2

Solving for variable 'x'.

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

Add '-400x2' to each side of the equation.
0 + -400x2 = 400x2 + -400x2
Remove the zero:
-400x2 = 400x2 + -400x2

Combine like terms: 400x2 + -400x2 = 0
-400x2 = 0

Divide each side by '-400'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}