Answer:
y = [tex]-4x^{2} +32x-56[/tex]
Step-by-step explanation:
[tex]y=-4(x-4)^{2} +8[/tex]
[tex]y=-4((x-4) (x-4)) +8[/tex]
[tex]y=-4(x^{2} -8x+16)+8[/tex]
[tex]y= -4x^{2} +32x-64+8[/tex]
[tex]y=-4x^{2} +32x-56[/tex]
