# Math Help - Exponential equation with difforent bases question

1. ## Exponential equation with difforent bases question

I have no clue how to do these questions, please show me how.

Rewrite each pair of expressions to have the same base:
A. 2^(3X) and 8^(2X+4)
B. 27^(5X+4) and (1/9)^(X+3)

2. ## Re: Exponential equation with difforent bases question

$8=2^3$ and $(2^3)^a=2^{3a}$.