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Is 4 a factor of 21x–12?

User Othmane
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2 Answers

4 votes

Answer:

It can be

Explanation:

For any multiple of 4 it would work, because it is multiplied by 21 and then you would subtract 12, which is also a multiple of 4.

User TheTFo
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4 votes

Yes and I think 3 .....

User Xwrs
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