Question

If x + k is a factor of polynomial x³ + kx² + 4, find the value of k.

Answer 1

Answer:

The mentioned question may not be the correct one.

So according to the given one, below is the answer

x+k=0, x=-k

(-k)^3+k(k)^2+4=0

-k^3+k^3+4=0

4=0( not true)