X^2+8-64=0

Solution for X^2+8-64=0 equation:

Simplifying
X2 + 8 + -64 = 0

Reorder the terms:
8 + -64 + X2 = 0

Combine like terms: 8 + -64 = -56
-56 + X2 = 0

Solving
-56 + X2 = 0

Solving for variable 'X'.

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

Add '56' to each side of the equation.
-56 + 56 + X2 = 0 + 56

Combine like terms: -56 + 56 = 0
0 + X2 = 0 + 56
X2 = 0 + 56

Combine like terms: 0 + 56 = 56
X2 = 56

Simplifying
X2 = 56

Take the square root of each side:
X = {-7.483314774, 7.483314774}