document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=33912>Question 33912</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x^3-3x^2+3x-9=0\r<BR>\n" );
document.write( "\n" );
document.write( "I got x=3; x=3i; x=-3i...how do I plug answers back in to check solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #20706 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=20706\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> LET Y = x^3-3x^2+3x-9=0<BR>\n" );
document.write( "I got x=3; x=3i; x=-3i...how do I plug answers back in to check solution?<BR>\n" );
document.write( "HOW DID  YOU GET THOSE ANSWERS?...ANY WAY ,YOU HAVE TO JUST SUBSTITUTE THOSE VALUES FOR X AND CHECK<BR>\n" );
document.write( "1...X=3...Y=3^3-3*3^2+3*3-9=27-27+9-9=0...OK..<BR>\n" );
document.write( "2...X=3i..Y=(3i)^3-3*(3i)^2+3*(3i)-9=27*(i^2)(i)-27(i)^2+9i-9=-27i+27+9i-9=-18i+18...<BR>\n" );
document.write( "THIS IS NOT ZERO HENCE THIS IS NOT A ROOT<BR>\n" );
document.write( "3...X=-3i..Y=(-3i)^3-3*(-3i)^2+3(-3i)-9=-27(i^2)(i)-27(i^2)-9i-9=27i+27-9i-9=18i+18...<BR>\n" );
document.write( "THIS IS NOT ZERO ..HENCE THIS IS NOT A ROOT..<BR>\n" );
document.write( "THE CORRECT ANSWERS ARE  <BR>\n" );
document.write( "X=3<BR>\n" );
document.write( "X=i*SQRT(3)<BR>\n" );
document.write( "X=-i*SQRT(3)<BR>\n" );
document.write( "YOU CAN CHECK BY SUBSTITUTION AS SHOWN ABOVE </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );