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(x-3)(x+5)
 Feb 28, 2012
 #1
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FOIL
F(irst) O(uter) I(nner) L(ast)

x^2+2x-15
 Feb 29, 2012
 #2
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adam:

(x-3)(x+5)



(x-3)(x+5) = x*x +5*x -3x -3*5
juskruzm:

x^2+2x-15

 Feb 29, 2012

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