Answer:
 (x+1) will not be factor of given polynomial 
Explanation:
We have given polynomial 

We have to find that is (x+1) factor of the given polynomial 
If (x+1) will be the factor of the polynomial then x= -1 will be the root of the polynomial 
And if we put x =-1 in the pronominal then then its value will be zero 

So (x+1) will not be factor of given polynomial