document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=245065>Question 245065</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the value of k. x^2+kx-21=0<BR>\n" );
document.write( "when one root is 7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179148 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=179148\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2+kx-21<BR>\n" );
document.write( "(x+7)(x-3)<BR>\n" );
document.write( "x^2+4x-21 <BR>\n" );
document.write( "k=4 ans. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );