Power of a Product: Solving the equation

$\frac{(-3)^5\cdot8^4}{(-3)^3(-3)^2(-3)^{-5}}=\text{?}$

$-3^5\cdot8^4$

Find the value of y:

$$$\left(3\times2\times4\right)^2=3y$

$y=192$

Find the value of x:

$\frac{1}{\left(2\times3\right)^{-2}}=2x$

$x=18$