document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173654>Question 173654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need confirmation on this problem involving factoring:\r<BR>\n" );
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document.write( "Factor Completely: 16x^4 - 40x^2 + 9 =\r<BR>\n" );
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document.write( "This is what I came up with:\r<BR>\n" );
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document.write( "8(2x^4 - 5x^2) + 1 is this correct? Thanks for any assistance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #128509 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=128509\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 16x^4 - 40x^2 + 9 = <BR>\n" );
document.write( "This is what I came up with: <BR>\n" );
document.write( "8(2x^4 - 5x^2) + 1 is this correct?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "No<BR>\n" );
document.write( "if you expanded your equation:<BR>\n" );
document.write( "8(2x^4 - 5x^2) + 1<BR>\n" );
document.write( "You would get:<BR>\n" );
document.write( "16x^4 - 40x^2 + 1<BR>\n" );
document.write( "Which is NOT the same as what you started with.<BR>\n" );
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document.write( "The correct solution is:<BR>\n" );
document.write( "16x^4 - 40x^2 + 9<BR>\n" );
document.write( "(4x^2-1)(4x^2-9)<BR>\n" );
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document.write( "Can't stop here either because it can be further factored:<BR>\n" );
document.write( "(4x^2-1)(4x^2-9)<BR>\n" );
document.write( "(2x+1)(2x-1)(2x-3)(2x+3) </SPAN>\n" );
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