Question

The equation 4 x^(3)e^(-3 x) - 5 x^(4)e^(-3 x)= 0 has two roots.
the bigger root is
the smaller root is

Answer 1

\(\bf 4x^3e^{-3x}-5x^4e^{-3x}=0\\
\textit{getting common factor}\\
\\
x^3e^{-3x}(\square? - \square?)=0\)

Answer 2

thnks