Answer:
2log₅(x) - 2log₅(4)
Explanation:
Note the following rules before we begin:
log(a) - log(b) = log(a/b)
2log(a) = log(a²)
Now, for the given, we will work backwards as follows:
log₅(x/4)² = 2 [ log₅(x) - log₅(4)]
= 2log₅(x) - 2log₅(4)
Hope this helps :)