Math, asked by ayaan27941, 9 hours ago

b) 7 (p2q + pq2 – pq) +7 pq - 7pq2 when p=2 and q= -5

Answers

Answered by kanubhardwaj12345678

0

Answer:

5p2+3q2−pq−(4pq−5q2−3p2)=5p2+3q2−pq−4pq+5q2+3p2

=5p2+3p2+3q2+5q2−pq−4pq

=8p2+8q2−5pq.

Step-by-step explanation:

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