197k views
5 votes
(5m 3 + 3mn 2) + (-7m 2 n + mn 2 - n 3) - (mn 2 + 2m 3)

User Ritika
by
8.2k points

1 Answer

3 votes
5m^3 + 3mn^2 - 7m^2 + mn^2 - n^3 - mn^2 - 2m^3
combine like terms
3m^3 - 7m^2 + 3mn^2 - n^3
User Keith Wiley
by
8.0k points