Question

Find the value of (k)if the polynomial x^3+6x^2-4x-k has a factor(x+2) [what does this question mean]

Answer 1

hope it helps ........

Answer 2

Yo!
Your Answer .

f(x)= 0
x+2=0
x= -2

Now,

(-2)³ + 6(-2)² -4(-2)-k = 0

$\cancel{-8}$ + 6 (4) $\cancel{+ 8}$ - k = 0

24-k=0

$\bold{k=24}$