document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=596766>Question 596766</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A number squared plus three times the number squared equals 81, find the number. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #377874 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=377874\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "This could be written 2 different ways, so I'll solve both ways.<BR>\n" );
document.write( "1) n^2+(3n)^2=81<BR>\n" );
document.write( "   10n^2=81<BR>\n" );
document.write( "    n^2=8.1<BR>\n" );
document.write( "   Sqrt both sides and we get:<BR>\n" );
document.write( "    n=2.846 (approx)\r<BR>\n" );
document.write( "\n" );
document.write( "2)n^2+3n^2=81<BR>\n" );
document.write( "  4n^2=81<BR>\n" );
document.write( "   n^2=20.25<BR>\n" );
document.write( "  Sqrt<BR>\n" );
document.write( "   n=4.5<BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );