How to write that expression as a single expression in simplest form?

S

SpaceBoy360*

New member
x/x-y - x^2+y^2/x^2-y^2 + y/x+y

I know that the common denominator is x^2-y^2, but as I was solving that problem, I got stock on one of the steps and I think that I messed this up.

Could you please help me with that?

Thank you!
 
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