document.write( "Question 1018977: How do you find the common factor of 15w+21? \n" ); document.write( "

Algebra.Com's Answer #634950 by ikleyn(52797) $\"\"$ $\"About$

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\n" ); document.write( "How do you find the common factor of 15w+21?
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document.write( "Do not make a mistake.\r\n" );
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document.write( "The notion/concept of common factor works (is defined) for two or more numbers.\r\n" );
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document.write( "Here you have only one, and the notion of common factor is not applicable.\r\n" );
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document.write( "The two addends have a common factor 3, which we can factor out: 15w + 21 = 3*(5w+7).\r\n" );
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