document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=195632>Question 195632</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am not sure on how to do this problem????  Could you please help???\r<BR>\n" );
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document.write( "Multiply and simplify\r<BR>\n" );
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document.write( "y^2-81  *  y^2-9y<BR>\n" );
document.write( "-------    ------<BR>\n" );
document.write( "y^2         y^2+y-90\r<BR>\n" );
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document.write( "Thank you !! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #146719 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=146719\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28y%5E2-81%29%2F%28y%5E2%29%29%28%28y%5E2-9y%29%2F%28y%5E2%2By-90%29%29 ALIGN=MIDDLE  ALT=\"%28%28y%5E2-81%29%2F%28y%5E2%29%29%28%28y%5E2-9y%29%2F%28y%5E2%2By-90%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given expression.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28%28y-9%29%28y%2B9%29%29%2F%28y%5E2%29%29%28%28y%5E2-9y%29%2F%28y%5E2%2By-90%29%29 ALIGN=MIDDLE  ALT=\"%28%28%28y-9%29%28y%2B9%29%29%2F%28y%5E2%29%29%28%28y%5E2-9y%29%2F%28y%5E2%2By-90%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Factor <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2-81 ALIGN=MIDDLE  ALT=\"y%5E2-81\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y-9%29%28y%2B9%29 ALIGN=MIDDLE  ALT=\"%28y-9%29%28y%2B9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28%28y-9%29%28y%2B9%29%29%2F%28y%2Ay%29%29%28%28y%5E2-9y%29%2F%28y%5E2%2By-90%29%29 ALIGN=MIDDLE  ALT=\"%28%28%28y-9%29%28y%2B9%29%29%2F%28y%2Ay%29%29%28%28y%5E2-9y%29%2F%28y%5E2%2By-90%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Factor <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2 ALIGN=MIDDLE  ALT=\"y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2Ay ALIGN=MIDDLE  ALT=\"y%2Ay\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28%28y-9%29%28y%2B9%29%29%2F%28y%2Ay%29%29%28%28y%28y-9%29%29%2F%28y%5E2%2By-90%29%29 ALIGN=MIDDLE  ALT=\"%28%28%28y-9%29%28y%2B9%29%29%2F%28y%2Ay%29%29%28%28y%28y-9%29%29%2F%28y%5E2%2By-90%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Factor <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2-9y ALIGN=MIDDLE  ALT=\"y%5E2-9y\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%28y-9%29 ALIGN=MIDDLE  ALT=\"y%28y-9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28%28y-9%29%28y%2B9%29%29%2F%28y%2Ay%29%29%28%28y%28y-9%29%29%2F%28%28y%2B10%29%28y-9%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > Factor <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2%2By-90 ALIGN=MIDDLE  ALT=\"y%5E2%2By-90\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%2B10%29%28y-9%29 ALIGN=MIDDLE  ALT=\"%28y%2B10%29%28y-9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%28y-9%29%28y%2B9%29%28y-9%29%29%2F%28y%2Ay%28y%2B10%29%28y-9%29%29 ALIGN=MIDDLE  ALT=\"%28y%28y-9%29%28y%2B9%29%28y-9%29%29%2F%28y%2Ay%28y%2B10%29%28y-9%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine the fractions. \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28highlight%28y%29highlight%28%28y-9%29%29%28y%2B9%29%28y-9%29%29%2F%28y%2Ahighlight%28y%29%28y%2B10%29highlight%28%28y-9%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > Highlight the common terms. \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cross%28y%29cross%28%28y-9%29%29%28y%2B9%29%28y-9%29%29%2F%28y%2Across%28y%29%28y%2B10%29cross%28%28y-9%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > Cancel out the common terms. \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28y%2B9%29%28y-9%29%29%2F%28y%28y%2B10%29%29 ALIGN=MIDDLE  ALT=\"%28%28y%2B9%29%28y-9%29%29%2F%28y%28y%2B10%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify. \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%5E2-81%29%2F%28y%28y%2B10%29%29 ALIGN=MIDDLE  ALT=\"%28y%5E2-81%29%2F%28y%28y%2B10%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > FOIL\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%5E2-81%29%2F%28y%5E2%2B10y%29 ALIGN=MIDDLE  ALT=\"%28y%5E2-81%29%2F%28y%5E2%2B10y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28y%5E2-81%29%2F%28y%5E2%29%29%28%28y%5E2-9y%29%2F%28y%5E2%2By-90%29%29 ALIGN=MIDDLE  ALT=\"%28%28y%5E2-81%29%2F%28y%5E2%29%29%28%28y%5E2-9y%29%2F%28y%5E2%2By-90%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > simplifies to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%5E2-81%29%2F%28y%5E2%2B10y%29 ALIGN=MIDDLE  ALT=\"%28y%5E2-81%29%2F%28y%5E2%2B10y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "In other words, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28y%5E2-81%29%2F%28y%5E2%29%29%28%28y%5E2-9y%29%2F%28y%5E2%2By-90%29%29=%28y%5E2-81%29%2F%28y%5E2%2B10y%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%3C%3E-10 ALIGN=MIDDLE  ALT=\"y%3C%3E-10\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%3C%3E0 ALIGN=MIDDLE  ALT=\"y%3C%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%3C%3E9 ALIGN=MIDDLE  ALT=\"y%3C%3E9\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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