document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=517127>Question 517127</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplify by removing factors of 1<BR>\n" );
document.write( "q^2-81/(q+9)^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #344674 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=344674\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (q^2-81)/(q+9)^2<BR>\n" );
document.write( "rewriting the numerator:<BR>\n" );
document.write( "(q^2-9^2)/(q+9)^2<BR>\n" );
document.write( "factoring the numerator (difference of squares):<BR>\n" );
document.write( "[(q-9)(q+9)]/(q+9)^2<BR>\n" );
document.write( "removing factors of 1:<BR>\n" );
document.write( "(q-9)/(q+9) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );