13x^2-39=-26

Solution for 13x^2-39=-26 equation:

Simplifying
13x2 + -39 = -26

Reorder the terms:
-39 + 13x2 = -26

Solving
-39 + 13x2 = -26

Solving for variable 'x'.

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

Add '39' to each side of the equation.
-39 + 39 + 13x2 = -26 + 39

Combine like terms: -39 + 39 = 0
0 + 13x2 = -26 + 39
13x2 = -26 + 39

Combine like terms: -26 + 39 = 13
13x2 = 13

Divide each side by '13'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}