document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=852787>Question 852787</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2=21-sqrt%28x%5E2%2B9%29 ALIGN=MIDDLE  ALT=\"x%5E2=21-sqrt%28x%5E2%2B9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.   Need help with this equation please </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #513680 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=513680\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2-21+sqrt(x^2+9)=0<BR>\n" );
document.write( "x=4 x=-4<BR>\n" );
document.write( "check <BR>\n" );
document.write( "16-21+5=0\r<BR>\n" );
document.write( "\n" );
document.write( "ok\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );