document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=20703>Question 20703</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Factor Completely (difference of squares)\r<BR>\n" );
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document.write( "x^8-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #9985 by </B><A HREF=/tutors/aboutme.mpl?userid=kapilsinghi><B>kapilsinghi(68)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=kapilsinghi><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=9985\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^8 - 1<BR>\n" );
document.write( "=(x^2)^3 - 1^3     <BR>\n" );
document.write( "applying the formula for a^3 - b^3\r<BR>\n" );
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document.write( "=(x^2 - 1)((x^2)^2 + 1 + x^2)<BR>\n" );
document.write( "=(x^2 - 1^2)((x^2)^2 + 1 + x^2)<BR>\n" );
document.write( "=(x-1)(x+1)(x^2)^2 + 1 + x^2)\r<BR>\n" );
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document.write( " kapilsinghi123@gmail.com </SPAN>\n" );
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