13x^2-11=0

Solution for 13x^2-11=0 equation:

Simplifying
13x2 + -11 = 0

Reorder the terms:
-11 + 13x2 = 0

Solving
-11 + 13x2 = 0

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 13x2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 13x2 = 0 + 11
13x2 = 0 + 11

Combine like terms: 0 + 11 = 11
13x2 = 11

Divide each side by '13'.
x2 = 0.8461538462

Simplifying
x2 = 0.8461538462

Take the square root of each side:
x = {-0.919866211, 0.919866211}