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28-04-2017
Mathematics

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FACTOR (3x^2 - x - 4)

Respuesta :

28-04-2017

(3x-4)(X+1)

3x(X+1)
3x times X =3X^2
3x times 1= 3x
-4(X+1)
-4 times X = -4X
-4 times 1= -4

3X^2+3X-4X-4

Add the middle ones
3X^2-X-4

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