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21-06-2021
Mathematics

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The coefficient of x in the expansion of (x + 3)(x - 1) is

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forre454298 forre454298

21-06-2021

Answer:

x^²+2x-3

Step-by-step explanation:

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loconte loconte

21-06-2021

Answer:

(x + 3)(x - 1) =

x^2 + 2x = 3

FOIL...

F =X*X = X^2

O =-1X

I =3x

L -3

OI = 2X

the coefficient is a "+2"

Answer Link

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