3p-2q-pq-(p-q+4pq)+7pq+q-p
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Answer:
p + 2q
Step-by-step explanation:
= 3p-2q-pq-(p-q+4pq)+7pq+q-p
= 3p-2q-pq-p+q-4pq+7pq+q-p
= p + 2pq
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