233k views
3 votes
Subtract -2k^3 + k^2 - 9 from 5k^3 - 3k + 7.

A. 3k^3 + k^2 - 3k - 2
B. -7k^3 + k^2 + 3k - 16
C. 7k^3 - k^2 - 3k + 16

1 Answer

2 votes
5k^3 - 3k + 7.-(-2k^3 + k^2 - 9)

7k^3 +k^2-3k +16


C. 7k^3 - k^2 - 3k + 16
User Dubadub
by
8.4k points