Question

If one of the zeros of the polynomial p(x)=x2+x(k+2)is3,then thebvalie of k is.

Answer 1

Answer: k = -11/3

Explanation:Substitute x with 3

3^2 + 3(k+2)

=> 9 + 3k + 2

=> 11 + 3k

Now equate to zero:

11 + 3k = 0

3k = -11

k = -11/3 ANS.

Hope it helped.