tp623010 tp623010

10-03-2017
Mathematics

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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

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rarrininger rarrininger

10-03-2017

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

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

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

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