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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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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.

User Fallout
by
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1 Answer

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