36+9=x^2

Solution for 36+9=x^2 equation:

Simplifying
36 + 9 = x2

Combine like terms: 36 + 9 = 45
45 = x2

Solving
45 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
45 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
45 + -1x2 = 0

Add '-45' to each side of the equation.
45 + -45 + -1x2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -1x2 = 0 + -45
-1x2 = 0 + -45

Combine like terms: 0 + -45 = -45
-1x2 = -45

Divide each side by '-1'.
x2 = 45

Simplifying
x2 = 45

Take the square root of each side:
x = {-6.708203933, 6.708203933}