1 Section 9.3 – 9.4 Review Algebra I

2 9. 3 - Multiplying Binomials9.3 - Multiplying Binomials **Remember there are 3 methods to multiply binomials** Expand and simplify. (6ℎ−7)(2ℎ+3) 3𝑥−5 (2𝑥+7)

3 Expand and simplify. a. (4𝐺+7)(𝐺−6) b. 8 𝐵 𝐵 2 +5

4 Multiplying a Trinomial and BinomialExpand and simplify. a. (4 𝑥 2 +x−6)(2x−3) b. (6𝑛−8)(2 𝑛 2 +𝑛+7)

5 Expand and simplify. (8𝑞−4)(6 𝑞 2 +𝑞+1)

6 Applying Multiplication of PolynomialsFind the area of the shaded region.

7 9.4 – Multiplying Special CasesFor these exercises, you must remember that: 𝑎+𝑏 2 = 𝑎 2 +2𝑎𝑏+ 𝑏 2 𝑎−𝑏 2 = 𝑎 2 −2𝑎𝑏+𝑏^2 𝑎+𝑏 𝑎−𝑏 = 𝑎 2 − 𝑏 2

8 Expand and simplify. a. 3𝑒− b. 2𝑏+9 2

9 Expand and simplify. a. 3𝑒−5𝑓 b. (2𝑥+3)(2𝑥−3)

10 Expand and simplify. a. 5𝑝 b. (2 𝑥 2 −11)(2 𝑥 2 +11)