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Answered by
2
Step-by-step explanation:
2pq - 1qr + 2rp + 5r + 5p
hope this answer helps you!
Answered by
2
Answer:
-2pq+5qr-6rp-9r+5p
Step-by-step explanation:
Arrange all them to their pairs
(3pq+2qr-2rp-2r+5p)-(5pq-3qr+4rp+7r)
3pq-5pq+2qr+3qr-2rp-4rp-2r-7r+5p
=> -2pq+5qr-6rp-9r+5p
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