x*x-19+90=0

Solution for x*x-19+90=0 equation:

Simplifying
x * x + -19 + 90 = 0

Multiply x * x
x2 + -19 + 90 = 0

Reorder the terms:
-19 + 90 + x2 = 0

Combine like terms: -19 + 90 = 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

Reorder the terms:
71 + x2 = -71 + 71

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

The solution to this equation could not be determined.