document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=373560>Question 373560</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of a number cubed and 3 times the square of the number is 75 more than 25 times the number.  Find the number.  HInt:  Let X= the number </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #265859 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=265859\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^3+3x^2=25x+75<BR>\n" );
document.write( "x^3+3x^2-25x-75<BR>\n" );
document.write( ">><BR>\n" );
document.write( "when you substitute x = -5 the expression is =0<BR>\n" );
document.write( "(x+5) is a root<BR>\n" );
document.write( "(x+5)(x-5)(x+3)=0<BR>\n" );
document.write( "...<BR>\n" );
document.write( "5 , -5 ,-3 are the roots of the equation.<BR>\n" );
document.write( "check by plugging the value in the equation to find the number<BR>\n" );
document.write( "..<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );