document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=132129>Question 132129</A>: <I><SPAN STYLE=\"word-break: break-all;\"> -a-n an-1 a1(-a)-n<BR>\n" );
document.write( "____________    Simplify. N is an even number<BR>\n" );
document.write( "a-n\r<BR>\n" );
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document.write( "I couldnt do exponents in this format so the problem reads negative a to the negative n, times a to the n minus 1, times a to the 1, times negative a to the negative n, over a to the negative n. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #96503 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=96503\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> negative a to the negative n, times a to the n minus 1, times a to the 1, times negative a to the negative n, over a to the negative n.<BR>\n" );
document.write( "Does it look like this: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-a%5E%28-n%29%2Aa%5E%28n-1%29%2Aa%5E1%2A%28-a%5E%28-n%29%29%29%2F%28a%5E%28-n%29%29+ ALIGN=MIDDLE  ALT=\"%28-a%5E%28-n%29%2Aa%5E%28n-1%29%2Aa%5E1%2A%28-a%5E%28-n%29%29%29%2F%28a%5E%28-n%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >???\r<BR>\n" );
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document.write( "If so, then notice that the factors of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E%28-n%29 ALIGN=MIDDLE  ALT=\"a%5E%28-n%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > on the right side of the numerator and the denominator divide out, leaving a factor of -1.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-a%5E%28-n%29%2Aa%5E%28n-1%29%2Aa%5E1%2A%28-1%29+ ALIGN=MIDDLE  ALT=\"-a%5E%28-n%29%2Aa%5E%28n-1%29%2Aa%5E1%2A%28-1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Next, the negative of a negative is a positive:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E%28-n%29%2Aa%5E%28n-1%29%2Aa%5E1+ ALIGN=MIDDLE  ALT=\"a%5E%28-n%29%2Aa%5E%28n-1%29%2Aa%5E1+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "What is left is all with base number a, so write down the base number and add exponents:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E%28-n%2Bn-1%2B1%29 ALIGN=MIDDLE  ALT=\"a%5E%28-n%2Bn-1%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E0 ALIGN=MIDDLE  ALT=\"a%5E0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1 ALIGN=MIDDLE  ALT=\"1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "R^2 </SPAN>\n" );
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