document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=900619>Question 900619</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if (x-y)^2=50 and xy=7, what is the value of x^2+y^2? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #546067 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=546067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x-y)^2=50 and xy=7, what is the value of x^2+y^2?\r<BR>\n" );
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document.write( "x^2+y^2 =x^2+y^2-2xy +2xy\r<BR>\n" );
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document.write( "=(x-y)^2+2xy\r<BR>\n" );
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document.write( "plug (x-y)^2 & xy\r<BR>\n" );
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document.write( "50+2*7\r<BR>\n" );
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document.write( "64 </SPAN>\n" );
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