1. 1. 2. 3. Simplify: Warm Up

2. Multiplying Binomials Section 8.3 B

3. Lesson Objective TSWBAT use multiplication to expand binomials and trinomials.

4. Simplify. ( x+3 )() 4x+5 FOIL F – first terms of each binomial. O – outside terms of the two binomials. I – inside terms of the two binomials. L – last terms of each binomial. 4x 2 + 5x+ 12x+ 15 4x 2 + 17x + 15

5. Simplify. 1. (x + 5)(x – 4) 2. (x - 3) 2 3. (2x + 5)(2x – 5) 4. (x + 7)(x + 5) 5. (3x – 2)(2x + 1) 6. (3y – 7)(4y – 5)

6. Simplify. 1. (x + 1)(x 2 + x – 1) 2. (x – 5)(2x 2 – 7x – 2) 3. (x 2 + 6x + 11)(3x + 5)

7. A picture frames length is 5 more than twice its width. 1. Write an expression for the length and width of the picture frame. 2. Write an expression for the area. 3. If w = 12 find the area of the picture.

8. Assignment: Pg. 489 #1-7, 20-28, 31-34