polynomial models West High School and the number of students at East High School algebra homework help

The problems is as follows:

The number of students at West High School and the number of students at East High School over a 12-year period, where x represents time in years, can be modeled by the following polynomials.

West High School: -11×2 + 133x + 1200

East High School: -7×2 + 95x + 1100

What polynomial models the total number of students at both high schools

  1. f(x) = -6w3 + w2 and g(x) = -2w3 + 4w2 – w. What is f(x) – g(x)?