document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=739980>Question 739980</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me to solve this? <BR>\n" );
document.write( "I know that the answer is 0<BR>\n" );
document.write( "(x^2yz)/((x-y)(x-z)) +(y^2zx)/((y-z)(y-x))+(z^2xy)/((z-x)(z-y)) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451438 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=451438\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2yz%29%2F%28%28x-y%29%28x-z%29%29+%2B%28y%5E2zx%29%2F%28%28y-z%29%28y-x%29%29%2B%28z%5E2xy%29%2F%28%28z-x%29%28z-y%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------<BR>\n" );
document.write( "This is not solving, just simplifying.<BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2yz%29%2F%28%28x-y%29%28x-z%29%29+-%28y%5E2zx%29%2F%28%28y-z%29%28x-y%29%29%2B%28z%5E2xy%29%2F%28%28x-z%29%28y-z%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Find a common denominator.  (x-y)(x-z)(y-z) works<BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2yz%29%2A%28y-z%29%2FDEN+-%28y%5E2zx%29%2A%28x-z%29%2FDEN+%2B%28z%5E2xy%29%2A%28x-y%29%2FDEN ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28xyz%2FDEN%29%2A%28x%28y-z%29+-+y%28x-z%29+%2B+z%2A%28x-y%29%29 ALIGN=MIDDLE  ALT=\"%28xyz%2FDEN%29%2A%28x%28y-z%29+-+y%28x-z%29+%2B+z%2A%28x-y%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28xyz%2FDEN%29%2A%28xy+-+xz+-+xy+%2B+yz+%2B+xz+-+yz%29 ALIGN=MIDDLE  ALT=\"%28xyz%2FDEN%29%2A%28xy+-+xz+-+xy+%2B+yz+%2B+xz+-+yz%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= 0 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );