document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=919759>Question 919759</A>: <I><SPAN STYLE=\"word-break: break-all;\"> state the possible numbers of positive real zeros, negative real zeros, amd imaginary zeros of f(x)=3x^5-x^4-x^3+6x^2-12\r<BR>\n" );
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document.write( "I worked out some stuff. I know ther are 5 total zeros, and i wanna make sure I am right, i said there are 3 or 1 positive real, 2 or 1 negative real and 0 and 3 imaginary. I would like to know if its correct or not </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #557942 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=557942\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can use Rational Roots Theorem and Descarte's Rule of Signs.  Possible five roots.  Use synthetic division to check possible roots -1,-2,-4,-3,-6,-12, and 1,2,3,4,6,12.  Each root you find makes the next roots to be found as simpler to do.\r<BR>\n" );
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document.write( "A quick check of the graph using Google shows only one real root near x=1.2 </SPAN>\n" );
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