document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=896387>Question 896387</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you simplify<BR>\n" );
document.write( "X^4 -4x -32<BR>\n" );
document.write( "Over x^2-16\r<BR>\n" );
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document.write( "I figured out that the bottom would be (x-4)(x+4)<BR>\n" );
document.write( "But don't know how to do the top because of the x^4<BR>\n" );
document.write( "Please and thanks<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #543462 by </B><A HREF=/tutors/aboutme.mpl?userid=harpazo><B>harpazo(655)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=harpazo><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=harpazo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=543462\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let u = x^2\r<BR>\n" );
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document.write( "u^2 - 4u - 32\r<BR>\n" );
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document.write( "(u - 8)(u + 4)= our new top\r<BR>\n" );
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document.write( "Replace u with x^2.\r<BR>\n" );
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document.write( "(x^2 - 8)(x^2 + 4)/(x - 4)(x + 4)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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