document.write( "Question 63905: Find a value of k so that \r
\n" ); document.write( "\n" ); document.write( "9m^2 – kn^2 \r
\n" ); document.write( "\n" ); document.write( "will have the factors 3m + 7n and 3m – 7n
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #44541 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Find a value of k so that
\n" ); document.write( "9m^2 – kn^2
\n" ); document.write( "will have the factors 3m + 7n and 3m – 7n
\n" ); document.write( "---------
\n" ); document.write( "(3m+7n)(3m-7n)=9m^2-49n^2
\n" ); document.write( "Theefore k=49
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" ); document.write( "
\n" );