document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=457781>Question 457781</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I really don't understand this one:\r<BR>\n" );
document.write( "\n" );
document.write( "Determine the nature of the solution of the equation<BR>\n" );
document.write( "x^2-18x+81=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #314031 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=314031\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can do it 2 ways.<BR>\n" );
document.write( "The discriminant = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2+-+4ac+=+18%5E2+-+4%2A81+=+0 ALIGN=MIDDLE  ALT=\"b%5E2+-+4ac+=+18%5E2+-+4%2A81+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--> 2 real solutions, both x = 9<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Or you can factor it<BR>\n" );
document.write( "= (x-9)^2<BR>\n" );
document.write( "same thing, 2 real solutions x = 9, or x = 9, multiplicity 2.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );