9 PQ square + 4 PQ from 5 PQ square - 4 PQ subtract
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Answer:
-4(PQ²+2PQ)
Step-by-step explanation:
5PQ²-4PQ-(9PQ²+4PQ)
=5PQ²-4PQ-9PQ²-4PQ
=-4PQ²-8PQ
= -4(PQ²+2PQ)
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