Question 331566
2*log4 9-log2 3

= 2*log4 3^2 - log2 3

= 4*log4 3 - log2 3 

= 4* (log2 3/log2 4) - log2 3
=4* (log2 3/log2 2^2) - log 2 3
=4* (log2 3/(2*log2 2) - log 2 3
= 2*log2 3 -log 2 3 = log 2 3