Respuesta :

Answer:

Step-by-step explanation:

y=-3/2(x+2)(x-4)

=-3/2(x²-4x+2x-8)

=-3/2(x²-2x-8)

=-3/2(x²-2x)-3/2×-8

=-3/2 (x²-2x+1-1)+12

=-3/2(x-1)²+3/2+12

=-3/2(x-1)²+27/2