document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=271825>Question 271825</A>: <I><SPAN STYLE=\"word-break: break-all;\"> simplify by removing factors of 1<BR>\n" );
document.write( "z^2-8z+15/z^2+4z-45 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #198938 by </B><A HREF=/tutors/aboutme.mpl?userid=dabanfield><B>dabanfield(803)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dabanfield><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=198938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> simplify by removing factors of 1<BR>\n" );
document.write( "z^2-8z+15/z^2+4z-45<BR>\n" );
document.write( "0 solutions\r<BR>\n" );
document.write( "\n" );
document.write( "(z^2-8z+15)/(z^2+4z-45) =\r<BR>\n" );
document.write( "\n" );
document.write( "[(z-5)*(z-3)]/[(z-5)*(z+9)] \r<BR>\n" );
document.write( "\n" );
document.write( "The factor (z-5) \"cancels\" or (z-5)/(z-5) = 1 so we are left with:\r<BR>\n" );
document.write( "\n" );
document.write( "(z-3)/z+9 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );