Question

log 3(9x)*log4(64x)/(5x^2-|x|)

Answer 1

$log_39xcdot log_4frac{64x}{5x^2-|x|}=(log_39+log_3x)cdot (log_464+log_4frac{x}{5x^2-|x|})=\ =(2+log_3x)cdot (3+log_4frac{x}{5x^2-|x|})=(2+log_3x)cdot (3+log_4frac{1}{5x-{rm sgn},x}).$