Question

please give me this answer with full explanation this is urgent please help me ​

Answer 1

Step-by-step explanation:

3p(p²+3p-q) +q(p²+3p-q) +q²(p²+3p-q)

3p³+9p²-3pq+q³+3pq-q²+p²q²+3pq²-q³