The problem: 5 / (x^3 - y^3) + 3 / (x^2 + xy + y^2) = ?

My work so far: 5 / (x - y(x^2 - y^2)) + 3 / [(x + y)(x + y)]

I don't know what to do from here for a common denominator

thank you

__________________________

Edited by stapel -- Reason for edit: attempting to restore formatting and thus meaning

## Bookmarks