5-3 Multiplication of Polynomials

M11.D.2 2.8.11.SObjectives:

1) To multiply any two polynomials or binomials.2) Use the FOIL Method.

PDN: Simplify5x²y + 7x³y² -2x²y +x³y²

1) (y - 2)(y + 3)

2) (x + 2)(x – 4)

3) (x + 2)(x + 3)

Examples: FOIL

4) (x – 4)(x – 2)

5) (3x + 2y)(5x + y)

6) (2y – 3)(4y – 1)

Examples: FOIL

7) (5x + 2)(3x – 5)

8) (2xy + 3x)(4x – 1)

9) (3x + xy)(2x²y – 4x)

Examples: FOIL

Try This Pg. 215 c-e

1) (x – 3)²

2) (y + 4)²

3) (3x + 4y)²

Examples: More FOIL

4) (2x² - 3xy)²

5) (x + y)(x – y)

6) (x + 4)(x – 4)

Examples: More FOIL

Try This Pg. 215- 216 f,h