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Published byNeil Cannon Modified over 9 years ago
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1.(-7) (-2) 2.(3)(-6) 3.(4)(5) 4.(-3) (4t) 5.(2)(-2x) 6.(7y)(3) 7.3(s+5) 8.4(-n+2) 9.4-(t+2) 10.3n+(2-n)
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1.(-7) (-2) = 14 2.(3)(-6) = -18 3.(4)(5) = 20 4.(-3) (4t) = -12t 5.(2)(-2x) = -4x 6.(7y)(3) = 21y 7.3(s+5) = 3s+15 8.4(-n+2) = -4n+8 9.4-(t+2) = -t+2 10. 3n+(2-n) = 2n+2
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Multiplying Polynomials: Distributive Property
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Now you can do #1-6
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Multiplying Polynomials: Distribution Method
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This distribution method has a special name to help remind us what to do: F-O-I-L Method
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Multiply the First terms Multiply the Outside terms Multiply the Inside terms Multiply the Last terms Then add the inside and the outside products.
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(x+3)(x+5) First: x 2 Outside: 5x Inside: 3x Last: 15 FOIL x 2 + 5x + 3x + 15 x 2 + 8x + 15
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Now you can do #7-15
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