What are the values of c when the HCF of x3 + c x2 - x + 2c and x2 + cx - 2 over the rational is a linear polynomial ?

What are the values of c when the HCF of x3 + c x2 - x + 2c and x2 + c

1.	What are the values of c when the HCF of x3 + c x2 - x + 2c and x2 + cx - 2 over the rational is a linear polynomial ?
A.	+1
B.	+2
C.	+1
D.	+4
Answer» B. +2