tp623010 tp623010 10-03-2017 Mathematics contestada 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