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Q.

The factor of the expression 14m−21  is ____and ____.


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Detailed Solution

The factors of the expression 14m−21   is 7(2m−3)  .
Given expression is 14m−21  .
We have the prime factors of each term as,
⇒14m=2×7×m ⇒21=3×7  
Now we find the HCF as,
⇒HCF 14m,21 =7  
Taking HCF common,  ⇒14m−21=7(2m−3)  
Hence, factor is 7(2m−3)  .
 
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