document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=185809>Question 185809</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780321442338/algebrahomeworkh>Beginning and Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I'm having trouble with this fraction. <BR>\n" );
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document.write( "1-8r^3<BR>\n" );
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document.write( "8r^2+4r+2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139370 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=139370\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-8r%5E3%29%2F%288r%5E2%2B4r%2B2%29 ALIGN=MIDDLE  ALT=\"%281-8r%5E3%29%2F%288r%5E2%2B4r%2B2%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%281-2r%29%281%2B2r%2B4r%5E2%29%29%2F%288r%5E2%2B4r%2B2%29 ALIGN=MIDDLE  ALT=\"%28%281-2r%29%281%2B2r%2B4r%5E2%29%29%2F%288r%5E2%2B4r%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Factor the numerator using the <a  rel=nofollow HREF=\"http://www.purplemath.com/modules/specfact2.htm\">difference of cubes formula</a> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5E3-B%5E3=%28A-B%29%28A%5E2%2BAB%2BB%5E2%29 ALIGN=MIDDLE  ALT=\"A%5E3-B%5E3=%28A-B%29%28A%5E2%2BAB%2BB%5E2%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%281-2r%29%281%2B2r%2B4r%5E2%29%29%2F%282%284r%5E2%2B2r%2B1%29%29 ALIGN=MIDDLE  ALT=\"%28%281-2r%29%281%2B2r%2B4r%5E2%29%29%2F%282%284r%5E2%2B2r%2B1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Factor the GCF 2 from the denominator.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%281-2r%29%284r%5E2%2B2r%2B1%29%29%2F%282%284r%5E2%2B2r%2B1%29%29 ALIGN=MIDDLE  ALT=\"%28%281-2r%29%284r%5E2%2B2r%2B1%29%29%2F%282%284r%5E2%2B2r%2B1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Rearrange the terms in the numerator in descending order.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%281-2r%29highlight%28%284r%5E2%2B2r%2B1%29%29%29%2F%282highlight%28%284r%5E2%2B2r%2B1%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=%28%281-2r%29cross%28%284r%5E2%2B2r%2B1%29%29%29%2F%282%2Across%28%284r%5E2%2B2r%2B1%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=%281-2r%29%2F2 ALIGN=MIDDLE  ALT=\"%281-2r%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-8r%5E3%29%2F%288r%5E2%2B4r%2B2%29 ALIGN=MIDDLE  ALT=\"%281-8r%5E3%29%2F%288r%5E2%2B4r%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > simplifies to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-2r%29%2F2 ALIGN=MIDDLE  ALT=\"%281-2r%29%2F2\"   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=%281-8r%5E3%29%2F%288r%5E2%2B4r%2B2%29=%281-2r%29%2F2 ALIGN=MIDDLE  ALT=\"%281-8r%5E3%29%2F%288r%5E2%2B4r%2B2%29=%281-2r%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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