Mohon bantuannya ya...

(k - 1/19/2) (k - 1/6) = 0

(k - 2/19) (k - 1/6) = 0

k^2 - 1/6k - 2/19k + 2/114 = 0

k^2 - 19/114k - 12/114k + 2/114 = 0

k^2 - 31/114k + 1/57 = 0

semoga membantu