document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1013741>Question 1013741</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What are the real zeros of x^3+4x^2-9x-36.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #630048 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52787)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=630048\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "What are the real zeros of x^3+4x^2-9x-36.<BR>\n" );
document.write( "-----------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Apply grouping:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3%2B4x%5E2-9x-36 ALIGN=MIDDLE  ALT=\"x%5E3%2B4x%5E2-9x-36\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E3%2B4x%5E2%29 ALIGN=MIDDLE  ALT=\"%28x%5E3%2B4x%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%289x%2B36%29 ALIGN=MIDDLE  ALT=\"%289x%2B36%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2A%28x%2B4%29 ALIGN=MIDDLE  ALT=\"x%5E2%2A%28x%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2A%28x%2B4%29 ALIGN=MIDDLE  ALT=\"9%2A%28x%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2-9%29%2A%28x%2B4%29 ALIGN=MIDDLE  ALT=\"%28x%5E2-9%29%2A%28x%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = (x+3)*(x-3)*(x-4).\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So, the roots are -3, 3 and 4.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );