1) A
3) B
4) A
5)A
sorry that i dont have all the answers, hope this helped
So, since we have a cubic equation with 4 terms, the first thing we should try is factoring by grouping, so:

Now that we've factored our equation, we can use ZPP and break it up:

So, our solutions are:

The answer is definitely 30 :) thanks for the points!
Answer:
The steps have been shown in the solution below
Step-by-step explanation:


LHS=RHS Hence, proved.