Question

pls answer me.....
I am in need​

Answer 1

Step-by-step explanation:

here this is your answer i helped u because u need it .... i will not say that mark me as brainlist but continue asking this type of question if possible i will help u

Answer 2

P square -7pq-q square + (-3p square -2pq + 7q square )

= p square -7pq-q square -3p square -2pq + 7q square

= p square - q square - 7pq -2pq -3p square -7q square

= p square - q square -9pq - 3p square -7 q square. This is the answer