document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=446094>Question 446094</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i need help with the steps to complete this.find all numbers for which the rational expression is undefined.(r^3-8r)/(r^2-64) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #307173 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=307173\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i need help with the steps to complete this.find all numbers for which the rational expression is undefined.<BR>\n" );
document.write( "(r^3-8r)/(r^2-64)<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "= [r(r^2-8)]/[(r-8)(r+8)]<BR>\n" );
document.write( "------<BR>\n" );
document.write( "= [r(r-2sqrt(2))(r+2sqrt(2)]/[(r-8)(r+8)]<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "undefined whent the denominator is zero.\r<BR>\n" );
document.write( "\n" );
document.write( "undefined for r = 8 and for r = -8<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===============\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );