document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=368812>Question 368812</A>: <I><SPAN STYLE=\"word-break: break-all;\"> multiply\r<BR>\n" );
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document.write( "(9x+3)*(7x^2+2x+1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #262739 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=262739\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We employ a \"round-robin\" technique...that is, every term on the first factor multiplies every term in the second factor...then we add them up...so\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%289x%2B3%29%2A%287x%5E2%2B2x%2B1%29 ALIGN=MIDDLE  ALT=\"%289x%2B3%29%2A%287x%5E2%2B2x%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=63x%5E3+%2B+18x%5E2+%2B+9x+%2B+21x%5E2+%2B+6x+%2B+3 ALIGN=MIDDLE  ALT=\"63x%5E3+%2B+18x%5E2+%2B+9x+%2B+21x%5E2+%2B+6x+%2B+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >=  <BR>\n" );
document.write( "now collect like terms and get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=63x%5E3+%2B+39x%5E2+%2B+15x+%2B+3 ALIGN=MIDDLE  ALT=\"63x%5E3+%2B+39x%5E2+%2B+15x+%2B+3\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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