Question

if x+1 is a factor of the polynomial 2x^2 +kx, then the value of k

Answer 1

Answer:

-2 is the final answer

hope it would be helpful

and be safe

Answer 2

Step-by-step explanation:

Let p(x)=2x²+kx

Since, (x+1) is a factor of p(x)

(x+1 =0

x = -1)

So,p(-1) = 0

2(-1) + k×(-1) = 0

2 - I = 0

- k = 0-2

- k = -2

k = 2

Hence the value of k is 2