x^2-13-40=0

Solution for x^2-13-40=0 equation:

Simplifying
x2 + -13 + -40 = 0

Reorder the terms:
-13 + -40 + x2 = 0

Combine like terms: -13 + -40 = -53
-53 + x2 = 0

Solving
-53 + x2 = 0

Solving for variable 'x'.

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

Add '53' to each side of the equation.
-53 + 53 + x2 = 0 + 53

Combine like terms: -53 + 53 = 0
0 + x2 = 0 + 53
x2 = 0 + 53

Combine like terms: 0 + 53 = 53
x2 = 53

Simplifying
x2 = 53

Take the square root of each side:
x = {-7.280109889, 7.280109889}