Question

X+2 is a factor of 2x³+5x²-x-k value of k is

Answer 1

Answer:

Step-by-step explanation:

by factor theorem

x=-2

2(-2^3)+5(-2^2)-(-2)-k=0

-16+20+2-k=0

k=6

Answer 2

Step-by-step explanation:

x+2=-2

2*(-8)+5(4)+2-k

-16+20+2-k=0

6-k=0

k=6