Math Help - indices & logarithms

1. indices & logarithms

lg (4^p - 4) - p lg 2 = lg 3

I got to lg (4^p-4) - lg 2^p(3) - lg 3 = 0
And an answer of 9.58, but when checking back, it seems wrong.
$log(A)-log(B)=log(\frac{A}{B})$
$log(A)+log(B)=log(AB)$