Question

find k , so that x+2 is a factor of 2x^2 + 5x -kx +5.​

Answer 1

Step-by-step explanation:

x=-2

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

2×2-10+2k+5=0

4-5=-2k

-1=-2k

1/2=k