Reduce the rational expression p2-3p-40 2p3-24p2+64p
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(p2 - 3p - 40)/(2p3 - 24p2 + 64p)
p2 - 3p - 40 = (p - 8)(p + 5)
2p3 - 24p2 + 64p = 2p(p2 - 12p + 32)
= 2p (p -8) (p - 4)
= (p - 8)(p + 5)/2p (p -8) (p - 4)
= (p + 5)/2p (p - 4)
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