Differentiate.

$y=x{e}^{-2x}6e^{-x}{x}^5$

Choose the correct answer below.

A$.\frac{dy}{dx}=-2x{e}^{-2x}{e}^{-2x}6e^{-x}5x^4$

B$.\frac{dy}{dx}=-2x{e}^{-2x}{e}^{-2x}-6e^{-x}-5x^4$

C$.\frac{dy}{dx}=-2x{e}^{-2x}-e^{-2x}-6e^{-x}5x^4$

D$.\frac{dy}{dx}=-2x{e}^{-2x}{e}^{-2x}-6e^{-x}5x^4$