document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=150430>Question 150430</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this problem.  I do not know how to do the radical sign on my keyboard.  But the problem states:\r<BR>\n" );
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document.write( "Multiply <BR>\n" );
document.write( "(2 radical sign 3 - 6radical sign 7)(4 radical sign 3 + 12 radical sign 7)\r<BR>\n" );
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document.write( "I hope that someone can understand and help me with this problem.  Thank you for your assistance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110384 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=110384\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (2 radical sign 3 - 6radical sign 7)(4 radical sign 3 + 12 radical sign 7) <BR>\n" );
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document.write( "(2sqrt(3) - 6sqrt(7))*(4sqrt(3) + 12sqrt(7))<BR>\n" );
document.write( "Use FOIL to multiply:<BR>\n" );
document.write( "F: 2sqrt3*4sqrt3 = 8*3 = 24<BR>\n" );
document.write( "O: 2sqrt3*12sqrt7 = 24sqrt21<BR>\n" );
document.write( "I: -6sqrt7*4sqrt2 = -24sqrt<BR>\n" );
document.write( "L: -6sqrt(7)*12sqrt(7) = -72*7 = -504<BR>\n" );
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document.write( "Add these four terms to get: 24-504 = 480<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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