document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1187487>Question 1187487</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve using <BR>\n" );
document.write( "elimination x²+y²=4 , x²-y=4. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #818455 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=818455\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve using <BR>\n" );
document.write( "elimination x²+y²=4 , x²-y=4.<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "x^2 + y^2 = 4<BR>\n" );
document.write( "x^2 - y = 4<BR>\n" );
document.write( "-------------------------------- Subtract<BR>\n" );
document.write( "y^2 + y = 0<BR>\n" );
document.write( "y = 0, -1<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "y = 0 --> x = -2, 2<BR>\n" );
document.write( "======================================<BR>\n" );
document.write( "y = -1:<BR>\n" );
document.write( "x^2 + 1 = 4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+sqrt%283%29 ALIGN=MIDDLE  ALT=\"x+=+sqrt%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );