SOLUTION: what value of k will make 16x^2/9 (fraction) - kx + 36 a perfect square trinomial?

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Question 262987: what value of k will make 16x^2/9 (fraction) - kx + 36 a perfect square trinomial?
Answer by mananth(16946) About Me  (Show Source):
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what value of k will make 16x^2/9 (fraction) - kx + 36 a perfect square trinomial?
16x^2/9 –kx+36
16x^2 -9kx + 36=0
-9k= 2*4*6
-9k= 48
K= 48/9
16x^2 –9* (48/9) +36=0
16x^2+48x+36=0
(4x+6)^2