document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1050542>Question 1050542</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please simplify the indicated operation\r<BR>\n" );
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document.write( "-8/(x^2-1) - 7/(1-x^2)\r<BR>\n" );
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document.write( "please show work </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #666110 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=666110\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here, -7/(1-x^2) is multiplied by (-1)/(-1) which doesn't change it<BR>\n" );
document.write( "Now it is 7/(x^2-1).  These have common denominators, so they may be added<BR>\n" );
document.write( "The answer is -1/(x^2-1) OR 1/(1-x^2), doing everything in reverse.  Both are acceptable answers. </SPAN>\n" );
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