36=x^2+x^2

Solution for 36=x^2+x^2 equation:

Simplifying
36 = x2 + x2

Combine like terms: x2 + x2 = 2x2
36 = 2x2

Solving
36 = 2x2

Solving for variable 'x'.

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

Add '-2x2' to each side of the equation.
36 + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
36 + -2x2 = 0

Add '-36' to each side of the equation.
36 + -36 + -2x2 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -2x2 = 0 + -36
-2x2 = 0 + -36

Combine like terms: 0 + -36 = -36
-2x2 = -36

Divide each side by '-2'.
x2 = 18

Simplifying
x2 = 18

Take the square root of each side:
x = {-4.242640687, 4.242640687}