document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=137374>Question 137374</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the system<BR>\n" );
document.write( "x^2+y^2=4<BR>\n" );
document.write( "4x^2+9y^2=36 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100523 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2+y^2=4<BR>\n" );
document.write( "4x^2+9y^2=36\r<BR>\n" );
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document.write( "using 1st eq y^2=4-x^2<BR>\n" );
document.write( "using the 2nd one<BR>\n" );
document.write( "4x^2+9(4-x^2)=36<BR>\n" );
document.write( "-5x^2+36=36<BR>\n" );
document.write( "-5x^2=0<BR>\n" );
document.write( "then x=0<BR>\n" );
document.write( "then<BR>\n" );
document.write( "y^2=4<BR>\n" );
document.write( "and y=2 or y=-2<BR>\n" );
document.write( "Answer: solutions are: x=0,y=2 and x=0,y=-2 </SPAN>\n" );
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