13x^2-26=0

Solution for 13x^2-26=0 equation:

Simplifying
13x2 + -26 = 0

Reorder the terms:
-26 + 13x2 = 0

Solving
-26 + 13x2 = 0

Solving for variable 'x'.

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

Add '26' to each side of the equation.
-26 + 26 + 13x2 = 0 + 26

Combine like terms: -26 + 26 = 0
0 + 13x2 = 0 + 26
13x2 = 0 + 26

Combine like terms: 0 + 26 = 26
13x2 = 26

Divide each side by '13'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}