document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=254901>Question 254901</A>: <I><SPAN STYLE=\"word-break: break-all;\"> F(x)= x^3-5x^2+144x-720\r<BR>\n" );
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document.write( "I got one of the zeroes (x=5) I need the other 2... they should be imaginary numbers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #187210 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=187210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> F(x)= x^3-5x^2+144x-720 <BR>\n" );
document.write( "I got one of the zeroes (x=5) I need the other 2... they should be imaginary numbers.<BR>\n" );
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document.write( "Use synthetic division to find the quadratic factor:<BR>\n" );
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document.write( "5)....1....-5....144....-720<BR>\n" );
document.write( ".......1.....0....144...|..0<BR>\n" );
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document.write( "Quotient: x^2+144<BR>\n" );
document.write( "Remainder: 0<BR>\n" );
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document.write( "Solve x^2+144 = 0<BR>\n" );
document.write( "(x-12i)(x+12i) = 0<BR>\n" );
document.write( "x = 12i or x = -12i<BR>\n" );
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document.write( "Final Answer: x = 5, or x = 12i, or x = -12i<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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