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
