Respuesta :

Answer:

x^2-6x+17.23

Step-by-step explanation:

y= -1.02(x-3)^2+9.25

multiply (x-3)(x-3)

you get -1.02+x^2-3x-3x+9+9.25

solve x^2-6x+18.25

                     -1.02

answer x^2-6x+17.23