Question 167935
You will be apply "log rules":
http://www.purplemath.com/modules/logrules.htm
.
ln 2x + 3(1n x - ln y) 
ln 2x + 3(1n(x/y))
ln 2x + 1n((x/y)^3)
ln(2x[(x/y)^3])
ln(2x[(x^3/y^3)])
ln(2x^4/y^3)