- Key Concepts

**Given multiple polynomials, how to add or subtract them to simplify the expressions**

- Combine like terms.
- Simplify and write in standard form.

**Use the FOIL method for multiplying two binomials.**

Step 1. Multiply the **First**terms.Step 2. Multiply the **Outer**terms.Step 3. Multiply the **Inner**terms.Step 4. Multiply the **Last**terms.Step 5. Combine like terms, when possible. **Multiplying Two Binomials:**To multiply binomials, use the:- Distributive Property
- FOIL Method
- Vertical Method

**Multiplying a Trinomial by a Binomial:**To multiply a trinomial by a binomial, use the:- Distributive Property
- Vertical Method