Philip P. answered 07/22/22
Affordable, Experienced, and Patient Algebra Tutor
I assume the problem is:
logb(4x2y)
First, use the log rule log(abc) = log(a) + log(b) + log(c):
logb(4) + logb(x2) + logb(y)
Now use the rule log(ab) = b log(a):
logb(4) + 2logb(x) + logb(y)
and that's as far as you can take it.