rewrite this expression as a single logarithm
log[3]5x4 log[3]y
log[3]5x4 log[3]y

log[3]5x4 log[3]y
you can move the 4 up due to a log property.
log[3]5x log[3]y^4
The difference of 2 logs with the same base is the quotient of the items inside the log.
log[3] [(5x)/(y^4)]
you can move the 4 up due to a log property.
log[3]5x log[3]y^4
The difference of 2 logs with the same base is the quotient of the items inside the log.
log[3] [(5x)/(y^4)]