x^2-16-55=0

Solution for x^2-16-55=0 equation:

Simplifying
x2 + -16 + -55 = 0

Reorder the terms:
-16 + -55 + x2 = 0

Combine like terms: -16 + -55 = -71
-71 + x2 = 0

Solving
-71 + x2 = 0

Solving for variable 'x'.

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

Add '71' to each side of the equation.
-71 + 71 + x2 = 0 + 71

Combine like terms: -71 + 71 = 0
0 + x2 = 0 + 71
x2 = 0 + 71

Combine like terms: 0 + 71 = 71
x2 = 71

Simplifying
x2 = 71

Take the square root of each side:
x = {-8.426149773, 8.426149773}