X^2-16=64

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Solution for X^2-16=64 equation: 


Simplifying
X2 + -16 = 64

Reorder the terms:
-16 + X2 = 64

Solving
-16 + X2 = 64

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 = 64 + 16

Combine like terms: -16 + 16 = 0
0 + X2 = 64 + 16
X2 = 64 + 16

Combine like terms: 64 + 16 = 80
X2 = 80

Simplifying
X2 = 80

Take the square root of each side:
X = {-8.94427191, 8.94427191}

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