X^2-1=64

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Solution for X^2-1=64 equation: 


Simplifying
X2 + -1 = 64

Reorder the terms:
-1 + X2 = 64

Solving
-1 + X2 = 64

Solving for variable 'X'.

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

Add '1' to each side of the equation.
-1 + 1 + X2 = 64 + 1

Combine like terms: -1 + 1 = 0
0 + X2 = 64 + 1
X2 = 64 + 1

Combine like terms: 64 + 1 = 65
X2 = 65

Simplifying
X2 = 65

Take the square root of each side:
X = {-8.062257748, 8.062257748}

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