document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=218962>Question 218962</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me to understand the GCF of the algebraic expression of 21ab, 14b </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #164764 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=164764\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> please help me to understand the GCF of the algebraic expression of 21ab, 14b<BR>\n" );
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document.write( "Each term has a b, and a 7. No other factors are common, so it's 7b.<BR>\n" );
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document.write( "Look at it like this:<BR>\n" );
document.write( "Factor both terms:<BR>\n" );
document.write( "21ab = 3*7*a*b<BR>\n" );
document.write( "14b = 2*7*b<BR>\n" );
document.write( "Pick out all the factors that are in both terms.<BR>\n" );
document.write( "That's 7 and b.  That's the GCF.<BR>\n" );
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