X^2-8x-5=7

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Solution for X^2-8x-5=7 equation: 


Simplifying
X2 + -8x + -5 = 7

Reorder the terms:
-5 + X2 + -8x = 7

Solving
-5 + X2 + -8x = 7

Solving for variable 'X'.

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

Add '5' to each side of the equation.
-5 + X2 + 5 + -8x = 7 + 5

Reorder the terms:
-5 + 5 + X2 + -8x = 7 + 5

Combine like terms: -5 + 5 = 0
0 + X2 + -8x = 7 + 5
X2 + -8x = 7 + 5

Combine like terms: 7 + 5 = 12
X2 + -8x = 12

Add '8x' to each side of the equation.
X2 + -8x + 8x = 12 + 8x

Combine like terms: -8x + 8x = 0
X2 + 0 = 12 + 8x
X2 = 12 + 8x

Simplifying
X2 = 12 + 8x

Reorder the terms:
-12 + X2 + -8x = 12 + 8x + -12 + -8x

Reorder the terms:
-12 + X2 + -8x = 12 + -12 + 8x + -8x

Combine like terms: 12 + -12 = 0
-12 + X2 + -8x = 0 + 8x + -8x
-12 + X2 + -8x = 8x + -8x

Combine like terms: 8x + -8x = 0
-12 + X2 + -8x = 0

The solution to this equation could not be determined.

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