document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87646>Question 87646</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is from a worksheet. I cannot figure this one out at all.\r<BR>\n" );
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document.write( "y^3+5y^2-9y-45<BR>\n" );
document.write( "The instructions are to factor completely. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #63552 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=63552\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> time to be a little sneaky then...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%5E3%2B5y%5E2-9y-45+ ALIGN=MIDDLE  ALT=\"+y%5E3%2B5y%5E2-9y-45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%5E3-9y+%2B5y%5E2-45+ ALIGN=MIDDLE  ALT=\"+y%5E3-9y+%2B5y%5E2-45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so think about the 2 sets of terms, bracketed:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28y%5E3-9y%29+%2B+%285y%5E2-45%29+ ALIGN=MIDDLE  ALT=\"+%28y%5E3-9y%29+%2B+%285y%5E2-45%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%28y%5E2-9%29+%2B+5%28y%5E2-9%29+ ALIGN=MIDDLE  ALT=\"+y%28y%5E2-9%29+%2B+5%28y%5E2-9%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and you notice that both factorised terms have a common term which can be factorised out, giving us:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28y%5E2-9%29%28y%2B5%29+ ALIGN=MIDDLE  ALT=\"+%28y%5E2-9%29%28y%2B5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The first term is a difference of 2 squares so:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28y%2B3%29%28y-3%29%28y%2B5%29+ ALIGN=MIDDLE  ALT=\"+%28y%2B3%29%28y-3%29%28y%2B5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "there you go :-)\r<BR>\n" );
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document.write( "cheers<BR>\n" );
document.write( "Jon<BR>\n" );
document.write( " </SPAN>\n" );
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