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.

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asked Aug 5, 2017 52.1k views

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StFS · Answer 1 · 2017-08-12T01:55:10+0000

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

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.

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