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8.3 Multiplying Binomials

8.3 Multiplying Binomials. Objective: to multiply two binomials or a binomial by a trinomial day 1. Using the distributive property to find the product of two binomials. Review: . 2(3x – 7). 2 (3x – 7 ). 2 ( 3x – 7). 6x . 6x - 14 . Simplify: (2x + 4) (3x – 7).

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8.3 Multiplying Binomials

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  1. 8.3 Multiplying Binomials Objective: to multiply two binomials or a binomial by a trinomial day 1

  2. Using the distributive property to find the product of two binomials. Review: 2(3x – 7) 2(3x – 7) 2(3x – 7) 6x 6x - 14 Simplify: (2x + 4) (3x – 7) (2x+ 4) (3x – 7) 2x(3x – 7) + 4 (3x – 7) + 12x -28 - 14x 6 6 - 2x - 28

  3. Using the distributive property to find the product of two binomials. Simplify: (x - 6) (4x + 3) (x- 6) (4x + 3) x(4x + 3) - 6 (4x + 3) -24x -18 + 3x 4 4 - 21x - 18

  4. REVIEW: Using a table to multiply 24 12 20 40 4x 8x

  5. Using a table to multiple binomials Simplify: (x - 3)(4x – 5) x -3 4x 4 -12x -5 -5x 15 4- 12x – 5x + 15 4- 17x + 15

  6. Using a table to multiple binomials Simplify: (3x + 1)(x - 3) 3x +1 x 3 1x -3 -9x -3 3+ 1x – 9x - 3 3- 8x - 3

  7. Simplify using the FOIL method FOIL First Outside Inside Last L F Simplify: (x + 3) (x + 1) I O +4x + 3

  8. Simplify using the FOIL method FOIL First Outside Inside Last L F Simplify: (3x – 4) (2x - 7) I O - - 29x + 28

  9. Simplify using the FOIL method FOIL First Outside Inside Last L F Simplify: (5x – 3) (x + 7) I O - 21 + +32x - 21 Assignment: pg 501: 8-28

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