13X^2-20=0

Solution for 13X^2-20=0 equation:

Simplifying
13X2 + -20 = 0

Reorder the terms:
-20 + 13X2 = 0

Solving
-20 + 13X2 = 0

Solving for variable 'X'.

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

Add '20' to each side of the equation.
-20 + 20 + 13X2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 13X2 = 0 + 20
13X2 = 0 + 20

Combine like terms: 0 + 20 = 20
13X2 = 20

Divide each side by '13'.
X2 = 1.538461538

Simplifying
X2 = 1.538461538

Take the square root of each side:
X = {-1.240347346, 1.240347346}