document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40081>Question 40081</A>: <I><SPAN STYLE=\"word-break: break-all;\"> needing help..<BR>\n" );
document.write( "multiply <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28r%5E2%2B7r%2B10%29%2F%283%29 ALIGN=MIDDLE  ALT=\"%28r%5E2%2B7r%2B10%29%2F%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283r-30%29%2F%28r%5E2-5r-50%29 ALIGN=MIDDLE  ALT=\"%283r-30%29%2F%28r%5E2-5r-50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25507 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=25507\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Always...factor and cancel, factor and cancel....so from<BR>\n" );
document.write( "(r^2+7r+10)/3 * (3r-30)/(r^2-5r-50) we get<BR>\n" );
document.write( "(r+2)(r+5) / 3 * 3(r-10) / (r-10)(r+5) now look what cancels...we get only...<BR>\n" );
document.write( "r+2 </SPAN>\n" );
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