hasil dari (2p+3q-4)+(p-3q+2)=

3p+q-2
.....................
thanks

(2p+3q-4)+(p-3q+2)
=2p²-6pq+4p+3pq-9q²+6q-4p+12q-8
=2p²-9q²-6pq+3pq+4p-4p+6q+12q-8
=2p²-9q²-3pq+18q-8

*maaf apabila salah