1. Warmup: A. Find the product: 1. x(2x + 3) = 2. y(-y + 7) = B. Solve: 1. 3(a + 5) + 2 = 4(a + 4) + 3 2. 4(2y – 3) = 3(3y – 7)

2. Multiplying Binomials Section 9-4

3. We have THREE methods for multiplying binomials: ___________________________ method ___________________________ method ____________ method ____________ method

4. The Distributive Property Method Find each product. 1. (x + 3)(x – 4)2. (2y – 1)(y - 3)

5. Your Turn! Dist Prop method 1. (y + 4)(y – 2)2. (m – 3)(m + 1) 3. (x – 5)(x – 2)4. (2a – 3)(a – 2)

6. The BOX Method 1. (x + 2)(x + 3) 2. (x – 3)(x – 2)

7. Your Turn! BOX method 1. (a – 3)(a – 6)2. (3x – 4)(2x – 3) 3. (2x + 1)(x + 1)4. (x – 2)(x + 1)

8. The FOIL Method Fthe FIRST terms Othe OUTER terms Ithe INNER terms Lthe LAST terms

9. Find each product. 1. (y + 4)(y + 6)2. (2x + 3)(2x + 2) 3. (3a – b)(2a + 4b)

10. Your Turn! FOIL! 1. (n + 3)(n + 5)2. (x – 4)(2x + 3) 3. (2x + y)(3x – 2y)

11. Sometimes you can’t simplify! 1. (x 2 – 4)(x + 3)2. (x – 2)(x 2 + 3)

12. In class: Study Guide 9.4 Study Guide 9.4 Practice 9.4 Practice 9.4

13. Homework: Pg 402-403 #1, 2, 21 – 49 odd Pg 402-403 #1, 2, 21 – 49 odd