document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=979440>Question 979440</A>: <I><SPAN STYLE=\"word-break: break-all;\"> X-y=3 and x+y=8 then what does x^3-y^3 equal and how.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #600701 by </B><A HREF=/tutors/aboutme.mpl?userid=anand429><B>anand429(138)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=anand429><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=anand429><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=600701\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x-y=3 and<BR>\n" );
document.write( "x+y=8<BR>\n" );
document.write( "Adding both, 2x = 11<BR>\n" );
document.write( "=> x=11/2<BR>\n" );
document.write( "Putting back y= 5/2<BR>\n" );
document.write( "so,<BR>\n" );
document.write( "x^3-y^3 = (11/2)^3-(5/2)^3<BR>\n" );
document.write( "=(11^3-5^3)/8<BR>\n" );
document.write( "=(1331-125)/8<BR>\n" );
document.write( "=603/4 </SPAN>\n" );
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