document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77899>Question 77899</A>: <I><SPAN STYLE=\"word-break: break-all;\"> can you please help me perform the indicated multiplication and then simplify?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt7 ALIGN=MIDDLE  ALT=\"sqrt7\"   DISABLED_style= \"max-width:90%; height:auto;\" >(2<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt3 ALIGN=MIDDLE  ALT=\"sqrt3\"   DISABLED_style= \"max-width:90%; height:auto;\" >+3<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt7 ALIGN=MIDDLE  ALT=\"sqrt7\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #55816 by </B><A HREF=/tutors/aboutme.mpl?userid=chitra><B>chitra(359)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chitra><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=55816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The given expression is: \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt+%287%29 ALIGN=MIDDLE  ALT=\"sqrt+%287%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (2 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt+%283%29+ ALIGN=MIDDLE  ALT=\"+sqrt+%283%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 3 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt+%287%29+ ALIGN=MIDDLE  ALT=\"+sqrt+%287%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >)\r<BR>\n" );
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document.write( "This cna be written as: \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2+%2A+sqrt+%287%29+%2A+sqrt%283%29+ ALIGN=MIDDLE  ALT=\"+2+%2A+sqrt+%287%29+%2A+sqrt%283%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > +  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+%2A+sqrt+%287%29+%2A+sqrt%287%29+ ALIGN=MIDDLE  ALT=\"+3+%2A+sqrt+%287%29+%2A+sqrt%287%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2+%2A+sqrt%2821%29+ ALIGN=MIDDLE  ALT=\"+2+%2A+sqrt%2821%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3+%2A+7+ ALIGN=MIDDLE  ALT=\"3+%2A+7+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2+%2A+sqrt%2821%29+%2B+21+ ALIGN=MIDDLE  ALT=\"+2+%2A+sqrt%2821%29+%2B+21+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "We know that 21 can be written as: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%2821%29+%2A+sqrt%2821%29+ ALIGN=MIDDLE  ALT=\"+sqrt%2821%29+%2A+sqrt%2821%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "==>  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2+%2A+sqrt%2821%29+%2B+sqrt%2821%29+%2A+sqrt%2821%29+ ALIGN=MIDDLE  ALT=\"+2+%2A+sqrt%2821%29+%2B+sqrt%2821%29+%2A+sqrt%2821%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "Taking sqrt(21) as a common factor, we get:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt+%2821%29+%2A+%282+%2B+sqrt%2821%29%29 ALIGN=MIDDLE  ALT=\"sqrt+%2821%29+%2A+%282+%2B+sqrt%2821%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "Hence, the solution.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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