17-05-2016
Mathematics

Answered

what is 3k^2(-2k^2-4k+7)?

A.-6k^3 -k +10k

B-6k^4 -12k^3+21k^2

C.k^4-k^3+10k^2

D.6k^4 -12k^3+10k^2

I picked B.

Verified Answer :

17-05-2016

The answer is B., based on the distributive property (multiply coeffictients, add exponents, change signs because of the negative number being multiplied)

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