ta có: 5y-3x=2xy-11

=> 2xy+3x-5y-11=0

=>4xy+6x-10y-22=0

=>(4xy+6x)-(10y+15)=7

=>2x(2y+3)-5(2y+3)=7

=>(2y+3)(2x5)=7

.......

bn tự chia TH mà làm nha

mk ngại đánh máy

1 nguyet is unhappy because she misses her parents.

2 does nhung have a lot of friends in hẻ towr?

3 VN is a country.

1 they are being watched by the teacher work.

2 peter haven't been seen since the day off the party.

hông biết