1) The document discusses various algebraic expressions including addition, subtraction, multiplication, and division of algebraic expressions. It also covers evaluating numeric values of expressions and notable products of algebraic expressions. 2) Notable products are special multiplication cases where the result can be obtained through inspection without calculating step-by-step. Examples include difference of squares and perfect square trinomials. 3) Factorization techniques are described including factoring by difference of squares, perfect square trinomials, and second degree trinomials.