(3/1-x+y/x-y):(3х/x+y-2) СРОЧНО

Question

(3/1-x+y/x-y):(3х/x+y-2)
СРОЧНО

Answer 1

( 3/1-x+y/x-y):(3х/x+y-2)=
(3х/х-x^2/х+y/x-ху/х):(3х/x+ху/х -2х/х)=
(3х/х-х^2/х+у/х-ху/х) : (1+ху/х)=
(3х- х^2+у - ху)/х : 2ху/х=
(3х- х^2+у - ху)/х * х/2ху=
(3х- х^2+у - ху) * 2ху=
6х^2-2х^3у+2ху^2-2х^2у^2