(p-1) (5p+39 - 7) - (p+4) (q +3-2p)
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Step-by-step explanation:
(p-1) (5p+39 - 7) - (p+4) (q +3-2p)
(p-1)(5p-32)-(pq+3p-2p²+4q+12-8p)
(5p²-32p-5p+32)-(pq-5p-2p²+4q+12)
5p²-37p+32-pq+5p+2p²-4q-12
7p²-32p+20-pq-4q
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