The complex solutions come in pairs and the only difference between them is the sign between the real and imaginary part, so one of the other two solutions is

. The third solution can be easily found using the rational root theorem, and it's equal to -1.
Answer:
something
Step-by-step explanation:
Answer: The graph shown
Step-by-step explanation:
Another graph of the function is attached in this answer.
Answer:
39x
Step-by-step explanation: