This document contains a summary of key concepts in polynomials including: 1) Definitions of terms like variable, term, coefficient, degree, constant and zero polynomials. 2) The Remainder Theorem and how it relates the remainder of polynomial division to the factor theorem. 3) The Factor Theorem and how it can be used to determine if a polynomial is a factor of another. 4) Examples of factoring polynomials and using the Factor Theorem. 5) A list of 15 common algebraic identities involving polynomials.