PrestonColtrane
PrestonColtrane
23-07-2015
Mathematics
contestada
Find the product -mnp(3m-5n+7p)
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Аноним
Аноним
23-07-2015
(−m)(n)p(3m−5n+7p)
=((−m)(n)p)(3m+−5n+7p)
=((−m)(n)p)(3m)+((−m)(n)p)(−5n)+((−m)(n)p)(7p)
=−3m^2np+5mn^2p−7mnp^2
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