SOLUTION: How do you find the common factor of 15w+21?

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Question 1018977: How do you find the common factor of 15w+21?
Answer by ikleyn(52798)   (Show Source): You can put this solution on YOUR website!
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How do you find the common factor of 15w+21?
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Do not make a mistake.

The notion/concept of common factor works (is defined) for two or more numbers.

Here you have only one, and the notion of common factor is not applicable.

The two addends have a common factor 3, which we can factor out: 15w + 21 = 3*(5w+7).


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