document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=293349>Question 293349</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having difficulty factoring (x^4 - 1). The following is my attempt, will someone please help me with this? Thanks,<BR>\n" );
document.write( "x16 – 1\r<BR>\n" );
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document.write( "(x4)4 – 1\r<BR>\n" );
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document.write( "(x4 – 1)(x4 + 1)\r<BR>\n" );
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document.write( "(x2 – 1)(x4 + 1)(x4 – 1)\r<BR>\n" );
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document.write( "(x2 – 1)(x2 + 1)(x4 – 1)\r<BR>\n" );
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document.write( "(x+1)(x-1)(x2 + 1)(x4 + 1)<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 #211772 by </B><A HREF=/tutors/aboutme.mpl?userid=helpnalgebra><B>helpnalgebra(91)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=helpnalgebra><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=helpnalgebra><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=211772\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> remove the parentheses around the expression  \r<BR>\n" );
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document.write( "not sure if it was a trick question by your teacher.\r<BR>\n" );
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document.write( "answer is  x^4-1 </SPAN>\n" );
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