document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=996961>Question 996961</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if x and y are two positive real numbers such that 25x square  + 49y s quare equal to 841 and xy equal to 12 then find the value of 125x cube  + 343y cube </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #615403 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=615403\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if x and y are two positive real numbers such that 25x square  + 49y s quare equal to 841 and xy equal to 12 then find the value of 125x cube  + 343y cube<BR>\n" );
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document.write( "841 = 400 + 441 = 25*4^2 + 49*3^2<BR>\n" );
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document.write( "x = 4, y = 3<BR>\n" );
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document.write( "125*4^3 + 343*3^3 = 8000 + 9261<BR>\n" );
document.write( "= 17261<BR>\n" );
document.write( " </SPAN>\n" );
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