Question

The value of k for which x+1 is a factor of the polynomial x3+x2+x+k is

Answer 1

Answer:

x+1

x+1=0

x=-1

x3+x2++x+k=0

-1×3×-1×2+-1+k=0

-3+-2+-1+k=0

-3-2-1+k=0

-6+k=0

k=6