Question

Let polynomial p ( x ) = x 2 − ( 2 + k ) x + 2 k . If x=3 is the zero ,then the value of k?

Answer 1

Answer:

K=3

Step-by-step explanation:

p(3) = (3)^2 - (2 + k) *3 + 2k.

-9 = -6 -3k +2k

-9 + 6 = -k

-3 = -k

k =3