X^2-8x-16=81

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Solution for X^2-8x-16=81 equation:


Simplifying
X2 + -8x + -16 = 81

Reorder the terms:
-16 + X2 + -8x = 81

Solving
-16 + X2 + -8x = 81

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 + X2 + 16 + -8x = 81 + 16

Reorder the terms:
-16 + 16 + X2 + -8x = 81 + 16

Combine like terms: -16 + 16 = 0
0 + X2 + -8x = 81 + 16
X2 + -8x = 81 + 16

Combine like terms: 81 + 16 = 97
X2 + -8x = 97

Add '8x' to each side of the equation.
X2 + -8x + 8x = 97 + 8x

Combine like terms: -8x + 8x = 0
X2 + 0 = 97 + 8x
X2 = 97 + 8x

Simplifying
X2 = 97 + 8x

Reorder the terms:
-97 + X2 + -8x = 97 + 8x + -97 + -8x

Reorder the terms:
-97 + X2 + -8x = 97 + -97 + 8x + -8x

Combine like terms: 97 + -97 = 0
-97 + X2 + -8x = 0 + 8x + -8x
-97 + X2 + -8x = 8x + -8x

Combine like terms: 8x + -8x = 0
-97 + X2 + -8x = 0

The solution to this equation could not be determined.

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