document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=522289>Question 522289</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Factor completely:\r<BR>\n" );
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document.write( "40y^4 - 5y\r<BR>\n" );
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document.write( "I just know how to simplify.. but I do not know where to go from there...<BR>\n" );
document.write( "5y(8y^3 - 1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #346773 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=346773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5y(8y^3 - 1)<BR>\n" );
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document.write( "(8y^3 - 1) is a difference of 2 cubes, (2y)^3 - 1^3<BR>\n" );
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document.write( "The difference of 2 cubes a^3 - b^3 = (a-b)*(a^2 + ab + b^2)<BR>\n" );
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