This is a program that uses linked lists to store polynomials based off of a term's degree. There are 3 methods total: add, evaluate, and multiply.
Simply adds two polynomials and returns the sum in a new linked list.
Takes in a value and plugs into the polynomial and returns the value as a double.
Simply multiplies two polynomials and returns the product in a new linked list.
Polytest.java is the driver for Polynomial.java