P(x) = x^2 - 1
q(x) = 5(x - 1)
(p - q)(x) = (x^2 - 1) - 5(x - 1)
Answer: 160,161,178
Step-by-step explanation: first it adds 17 to the equation then adds 1 repeat this process and you get these answers.
The answer to that equation is 7938
8.60 $ because the total was 43 and the family bought 5 of them so 43/5 equals 8.60