document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=700144>Question 700144</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For x^3-x^2+7x-7=0<BR>\n" );
document.write( "a)how do you find the number of complex roots?<BR>\n" );
document.write( "b)how do you find the possible number of real roots?<BR>\n" );
document.write( "c)how do you find the possible number of imaginary roots?<BR>\n" );
document.write( "d)how do you find all the zeroes? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #432031 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=432031\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For x^3-x^2+7x-7=0<BR>\n" );
document.write( "a)how do you find the number of complex roots?<BR>\n" );
document.write( "b)how do you find the possible number of real roots?<BR>\n" );
document.write( "c)how do you find the possible number of imaginary roots?<BR>\n" );
document.write( "d)how do you find all the zeroes?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "using the rational roots theorem:\r<BR>\n" );
document.write( "\n" );
document.write( "...0...|.....1....-1......7.......-7.........<BR>\n" );
document.write( "...1...|.....1.....0......7........ 0...(1 is a root)<BR>\n" );
document.write( "f(x)=(x-1)(x^2+7)<BR>\n" );
document.write( "x-1=0<BR>\n" );
document.write( "x=1<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x^2+7=0<BR>\n" );
document.write( "x^2=-7<BR>\n" );
document.write( "x=±&#8730;-7<BR>\n" );
document.write( "x=&#8730;7 i<BR>\n" );
document.write( "x=-&#8730;7 i<BR>\n" );
document.write( "Given function has one real root(zero)and two imaginary or complex roots </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );