X^2-16=-8

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Solution for X^2-16=-8 equation: 


Simplifying
X2 + -16 = -8

Reorder the terms:
-16 + X2 = -8

Solving
-16 + X2 = -8

Solving for variable 'X'.

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

Add '16' to each side of the equation.
-16 + 16 + X2 = -8 + 16

Combine like terms: -16 + 16 = 0
0 + X2 = -8 + 16
X2 = -8 + 16

Combine like terms: -8 + 16 = 8
X2 = 8

Simplifying
X2 = 8

Take the square root of each side:
X = {-2.828427125, 2.828427125}

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