Factorize
2 р. – с. — 9 р* + 1
.
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P
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Answer:
Explanation:
10p
2
q
2
−21pq+9
=10p
2
q
2
−15pq−6pq+9
=5pq(2pq−3)−3(2pq−3)
=(2pq−3)(5pq−3)
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