Solve the System by the Method of Substitution $$\left\{ \begin{array} { l } y = - 4 x \\y = x ^ { 3 } + x ^ { 2 } - x\end{array} \right.$$

Multiple Choice

Solve the system by the method of substitution.​ $$\left\{ \begin{array} { l } y = - 4 x \\y = x ^ { 3 } + x ^ { 2 } - x\end{array} \right.$$ ​

A) (3,4)
B) (0,3)
C) (3,4) , (-3,-4)
D) No real solution
E) (0,0)