Solve each equation analytically for all complex solutions, giving exact forms in your solution set. Then, graph the left side of the equation as $y_{1}$ in the suggested viewing window and, using the capabilities of your calculator, support the real solutions.
$$\begin{aligned}
&-4 x^{3}-x^{2}+4 x=0\\
&[-4,4] \text { by }[-10,10]
\end{aligned}$$