3(3m−5n+2)−8(n−7p+4m−1)+9−2p−m−3n= расписать !!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Question

3(3m−5n+2)−8(n−7p+4m−1)+9−2p−m−3n=
расписать !!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Раскрыть скобки? 9m-15n+6-8n+56p-32m+8+9-2p-m-3n=-24m-26n+54p+23