document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=135276>Question 135276</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could anyone please help me with this problem? Thank You!\r<BR>\n" );
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document.write( "Use Descartes's rule of signs to discuss the possibilities for the roots of the equation. DO NOT solve the equation.\r<BR>\n" );
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document.write( "4x^3-9x^2+6x+4=0\r<BR>\n" );
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document.write( "Thanks again:) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99115 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=99115\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use Descartes's rule of signs to discuss the possibilities for the roots of the equation. DO NOT solve the equation. <BR>\n" );
document.write( "4x^3-9x^2+6x+4=0 <BR>\n" );
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document.write( "The number of changes of sign of f(x) is 2 so there are 2 or 0 positive Real roots.<BR>\n" );
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document.write( "f(-x) = -4x^3-9x^2-6x+4<BR>\n" );
document.write( "The number of changes of sign of f(-x) is one, so there are no negative<BR>\n" );
document.write( "Real roots.<BR>\n" );
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document.write( "You can find DesCartes's Rule of signs on-line by using Google or some other<BR>\n" );
document.write( "search engine.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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