0=5X^2-20

Solution for 0=5X^2-20 equation:

Simplifying
0 = 5X2 + -20

Reorder the terms:
0 = -20 + 5X2

Solving
0 = -20 + 5X2

Solving for variable 'X'.

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

Add '-5X2' to each side of the equation.
0 + -5X2 = -20 + 5X2 + -5X2
Remove the zero:
-5X2 = -20 + 5X2 + -5X2

Combine like terms: 5X2 + -5X2 = 0
-5X2 = -20 + 0
-5X2 = -20

Divide each side by '-5'.
X2 = 4

Simplifying
X2 = 4

Take the square root of each side:
X = {-2, 2}