x^2-2xy-y^2=9

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Solution for x^2-2xy-y^2=9 equation: 


Simplifying
x2 + -2xy + -1y2 = 9

Reorder the terms:
-2xy + x2 + -1y2 = 9

Solving
-2xy + x2 + -1y2 = 9

Solving for variable 'x'.

Reorder the terms:
-9 + -2xy + x2 + -1y2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + -2xy + x2 + -1y2 = 0

The solution to this equation could not be determined.

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