Plz help solve thsi problem thank you

Step-by-step explanation:

if x+2 is a factor then

replace by -2 and equate expression to 0

we get

3(-2)^3 - 2×-2 +k=0

24+4+k=0

k = -28

hope it is correct

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb