isi plisssssssss tolong jawab pake caraa yaaaa

8k+8m-4km-15k+7km
=8k-15k+8m-4km+7km
=-7k+8m+3km

7p²-8p²q-11p²+p²q+12pq²
=7p²-11p²-8p²q+p²q+12pq²
=-4p²-7p²2q+12pq² .....<bisa yg ini
=-2p²-7p²+12pq² .....<bisa yg ini
=-9p²+12pq² .....<bisa yg ini

semoga bermanfaat