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Mathematics, 10.01.2020 14:31 lululoveee586

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+...
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