1. 5.3 Add, Subtract, and Multiply Polynomials

2. Add polynomials vertically:+
Or add them horizontally: + =

3. To subtract polynomials:-
Add the opposite
Or horizontally: - =

4. Multiply Polynomials Vertically:
Or horizontally:

5. Special Product Patterns
Some binomial products occur so frequently that it is worth memorizing their special product patterns. You can verify these products by multiplying.
Special Product Patterns
Sum and Difference
Example
Square of a Binomial
Cube of a Binomial

6. (ab + 2)3 = Multiply the polynomials: Sum & Difference
Square of a binomial
(ab + 2)3 =
Cube of a binomial