Question

Need help on this assignment

Answer 1

x-1 + x0 + x1 = (-1)^2 + 5 + (0)^2 + 5 + (1)^2 + 5 = 6 + 5 + 6 = 17

Answer 2

(-1)^2+5= 1+5=6

(0)^2+5= 0+5= 5

(1)^2+5= 1+5= 6

6+5+6= 17