document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=964320>Question 964320</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve by making a u-substitution. x^4-84x^2+320=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #589296 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=589296\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> FACTORS OF 320 THAT TOTAL 84?<BR>\n" );
document.write( "320/2=160 TOO BIG.<BR>\n" );
document.write( "320/4=80 LOOKS GOOD<BR>\n" );
document.write( "80+4=64<BR>\n" );
document.write( "(x-80)(X-4) ANS.<BR>\n" );
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