x^2-9-36=0

Solution for x^2-9-36=0 equation:

Simplifying
x2 + -9 + -36 = 0

Reorder the terms:
-9 + -36 + x2 = 0

Combine like terms: -9 + -36 = -45
-45 + x2 = 0

Solving
-45 + x2 = 0

Solving for variable 'x'.

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

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

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

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

Simplifying
x2 = 45

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