document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=114234>Question 114234</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find a value for k so that 9m squared - kn squared will have the factors 3m + 7n and 3m - 7n </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #83134 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=83134\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find a value for k so that 9m squared - kn squared will have the factors 3m + 7n and 3m - 7n<BR>\n" );
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document.write( "If they are factors:<BR>\n" );
document.write( "9m^2-kn^2 = (3m+7n)(3m-7n)<BR>\n" );
document.write( "9m^2-kn^2 = 9m^2-49n^2<BR>\n" );
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document.write( "-k = -49<BR>\n" );
document.write( "k = 49<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );