Question

find the value of k, if (x+3) is a factor of xsquare +kx-2

Answer 1

Mark brainlist I have done it

Answer 2

Step-by-step explanation:

p(X)=p(-3)

therefore X=-3

x+3=0 ( you told me)

let put the Value of X=-3

X²+kx-2 = -3×-3+k×-3-2

9-3k-2

7-3k

-7=-3k

7=3k

k=7/3