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19-11-2018
Mathematics

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Which polynomial is a product of (3x+2) and (x-7)

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wegnerkolmp2741o wegnerkolmp2741o

19-11-2018

(3x+2) (x-7)

FOIL

first 3x*x = 3x^2

outer 3x*-7 = -21x

inner = 2*x = 2x

last 2*-7 = -14

add them together = 3x^2 -21x+2x -14

combine like terms 3x^2 -19x -14

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