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Multiplying Polynomials 7-7

Multiplying Polynomials 7-7. FOIL FRIDAY!!!!. Example: Multiplying a Polynomial by a Monomial. Multiply. 4(3 x 2 + 4 x – 8). 4 (3 x 2 + 4 x – 8). (4) 3 x 2 + (4) 4 x – (4) 8. 12 x 2 + 16 x – 32. Example: Multiplying a Polynomial by a Monomial. Multiply. 3a(2a 2 + 7 a – 3).

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Multiplying Polynomials 7-7

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  1. Multiplying Polynomials7-7 FOIL FRIDAY!!!!

  2. Example:Multiplying a Polynomial by a Monomial Multiply. 4(3x2 + 4x – 8) 4(3x2 + 4x – 8) (4)3x2 +(4)4x – (4)8 12x2 + 16x – 32

  3. Example:Multiplying a Polynomial by a Monomial Multiply. 3a(2a2+ 7a– 3) 3a(2a2+ 7a– 3) (3a)2a2 +(3a)7a– (3a)3 6a3+ 21x2– 9a

  4. FOIL F     (2x+ 3)(3x+ 2) 3 2 = 6 (2x+ 3)(3x+ 2) 3 3x= 9x (2x+ 3)(3x+ 2) 2x 2 = 4x (2x+ 3)(3x+ 2) 2x 3x= 6x2 (2x+ 3)(3x + 2) = 6x2+4x+9x+6= 6x2+13x+ 6 F O I L irst O uter I nner L ast

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