document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=940167>Question 940167</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if x+y=8 and xy=7, find 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 #572963 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=572963\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> xy=7, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+7%2Fx ALIGN=MIDDLE  ALT=\"y+=+7%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B7%2Fx+=8+ ALIGN=MIDDLE  ALT=\"x%2B7%2Fx+=8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > |Multiplying thru by x so as all denominators = 1<BR>\n" );
document.write( "...<BR>\n" );
document.write( "x^2 + 7 = 8x<BR>\n" );
document.write( "x^2 - 8x + 7 = 0<BR>\n" );
document.write( "(x-7)(x-1)= 0<BR>\n" );
document.write( "x = 1,7   and y = 7, 1<BR>\n" );
document.write( "P(1,7)  and P(7,1)<BR>\n" );
document.write( "...<BR>\n" );
document.write( "x^2 + y^2 = 50 </SPAN>\n" );
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