x^2-31+8=0

Solution for x^2-31+8=0 equation:

Simplifying
x2 + -31 + 8 = 0

Reorder the terms:
-31 + 8 + x2 = 0

Combine like terms: -31 + 8 = -23
-23 + x2 = 0

Solving
-23 + x2 = 0

Solving for variable 'x'.

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

Add '23' to each side of the equation.
-23 + 23 + x2 = 0 + 23

Combine like terms: -23 + 23 = 0
0 + x2 = 0 + 23
x2 = 0 + 23

Combine like terms: 0 + 23 = 23
x2 = 23

Simplifying
x2 = 23

Take the square root of each side:
x = {-4.795831523, 4.795831523}