If one root of the equation 4x ^ - KX + 6 = 0 is 2, then the other root is 2____ ,k=____

If one root of the equation 4x ^ - KX + 6 = 0 is 2, then the other root is 2____ ,k=____

Let the other root be a
a+2=k/4
2a=3/2
The solution is a = 3 / 4, k = 11