document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=451820>Question 451820</A>: <I><SPAN STYLE=\"word-break: break-all;\"> findall the real zeros of the function<BR>\n" );
document.write( "f(x)=x^3-3x^2-x+3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310652 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=310652\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> findall the real zeros of the function<BR>\n" );
document.write( "f(x)=x^3-3x^2-x+3<BR>\n" );
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document.write( "The sum of the coefficients is zero, so x = 1 is a root.<BR>\n" );
document.write( "----<BR>\n" );
document.write( "1)....1....-3....-1....3<BR>\n" );
document.write( ".......1.....-2....-3...|..0<BR>\n" );
document.write( "----\r<BR>\n" );
document.write( "\n" );
document.write( "Quotient: x^2-2x-3<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(x-3)(x+1) = 0<BR>\n" );
document.write( "x = 3 or x = -1<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Final Answer:<BR>\n" );
document.write( "x = 1, x = -1, x = 3<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===============  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );