Algebra II Recipe: Adding, Subtracting, Multiplying PolynomialsBy G ReddenCheck your answer A. Adding PolynomialsDrop the parentheses. Combine like terms. Put terms in alphabetical order or descending order by powers. B. Subtracting PolynomialsChange all subtraction to "adding the opposite" when necessary. Distribute the negative to the second set of parentheses. Combine like terms. Put terms in alphabetical order or descending order by powers. C. Multiplying Two BinomialsUse the distributive property: F-O-I-L Combine like terms. Put terms in descending order. D. Multiplying a Binomial and a TrinomialDistribute each term of the binomial to each term of the trinomial. Combine like terms. Put terms in descending order. Practice Problems Advertisement