Question

Please answer quickly and with process,
what should be substracted from2p²-pq+5q² to get 4p²+3pq-2q².​

Answer 1

Answer:

2p²-pq+5q²-x=4p²+3pq-2q²

-2p²-4pq+7q²=x

so -2p²-4pq+7q² should subtract from 2p²-pq+5q²

to get 4p²+3pq-2q²