document.write( "Question 262987: what value of k will make 16x^2/9 (fraction) - kx + 36 a perfect square trinomial? \n" ); document.write( "
Algebra.Com's Answer #193725 by mananth(16946)\"\" \"About 
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what value of k will make 16x^2/9 (fraction) - kx + 36 a perfect square trinomial?\r
\n" ); document.write( "\n" ); document.write( "16x^2/9 –kx+36\r
\n" ); document.write( "\n" ); document.write( "16x^2 -9kx + 36=0\r
\n" ); document.write( "\n" ); document.write( "-9k= 2*4*6
\n" ); document.write( "-9k= 48
\n" ); document.write( "K= 48/9\r
\n" ); document.write( "\n" ); document.write( "16x^2 –9* (48/9) +36=0
\n" ); document.write( "16x^2+48x+36=0
\n" ); document.write( "(4x+6)^2
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