document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1014686>Question 1014686</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the roots of x3 + 4x2 – 4x – 16 = 0\r<BR>\n" );
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document.write( " Write your answers in ascending order. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #630995 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=630995\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "According to the Rational Roots Theorem, if there are any rational zeros, they are of the form <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \pm \frac{p}{q}\"> where <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large p\"> is an integer factor of the constant term and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large q\"> is an integer factor of the lead coefficient.\r<BR>\n" );
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document.write( "Hence the possible rational zeros are:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left\{\pm 1,\,\pm 2,\,\pm 4,\, \pm 8,\, \pm 16\right\}\">\r<BR>\n" );
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document.write( "Use Synthetic Division to test each possible zero until you have found 3 rational zeros, 1 rational zero, or no rational zeros and have exhausted all of the possibilities.  Hint: there are 3 rational zeros for this cubic equation, so if you don't find all three, check your synthetic division arithmetic.\r<BR>\n" );
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document.write( "See <a  rel=nofollow HREF=\"http://www.purplemath.com/modules/synthdiv.htm\">Purple Math Synthetic  Division</a> for a refresher on Synthetic Division, if necessary.  Note that there are four pages on this topic.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
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