Question

find the value of k if -1 is an area of the polynomial p(x)=k x2 -4x+k​

Answer 1

Step-by-step explanation:

x=(-1)

therefore,

p(-1) = (-1)² k - 4(-1) + k

= k +4 + k

= 2k + 4

k = -4/2

k = (-2)

hope will help you ❤️