Question

(p + q)(5p -3q) + (p - 3q) (p-q)​

Answer 1

Answer:

p²+3pq

Step-by-step explanation:

p(5q-3q)+9(5p-3q) + p(p-3q)-q(p-3q)

5pq-3pq+5pq-3pq-3q²+p²-3pq-pq+3q²

2pq+2pq+p²-pq

4pq+p²-pq

3pq+p²

p²+3pq