h7nke8bt84 h7nke8bt84

09-11-2020
Mathematics

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Factor this expression completely.
-21x+28
A 7(3x-4)
B -7(3x-4)
C -7(3x+4)
D -(21x-4)

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roukin3437student21 roukin3437student21

09-11-2020

Answer: B -7(3x-4)

-7×3x=-21x

-7×-4=28

I hope this is good enough:

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