kaeWestootEliza kaeWestootEliza

21-04-2017
Mathematics

contestada

Simplify 7-[x - (-2x + 9)].

–x - 2
-3x + 16
3x - 2

Respuesta :

Mijhyna3 Mijhyna3

21-04-2017

- 2x(x^2 - 3)
=(- 2x)(x2) + (- 2x)(- 3)
= - 2x3 + 6x

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