document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=34773>Question 34773</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve<BR>\n" );
document.write( "4x^2 - y^2 = 4<BR>\n" );
document.write( "4x^2 + y^2 = 4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #21205 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=21205\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x~2-y~2=4<BR>\n" );
document.write( "4x~2+y~2=4 adding these two equations we get<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "8x~2    =8 or x~2=8/8 or x~2=1 or x=1 then \r<BR>\n" );
document.write( "\n" );
document.write( "4*1~2+y=4 or 4+y=4 y=0 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );