8-x^2=-64

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Solution for 8-x^2=-64 equation: 


Simplifying
8 + -1x2 = -64

Solving
8 + -1x2 = -64

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -1x2 = -64 + -8

Combine like terms: 8 + -8 = 0
0 + -1x2 = -64 + -8
-1x2 = -64 + -8

Combine like terms: -64 + -8 = -72
-1x2 = -72

Divide each side by '-1'.
x2 = 72

Simplifying
x2 = 72

Take the square root of each side:
x = {-8.485281374, 8.485281374}

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