Respuesta :

LukyChoose

Answer:

{2,1,-1}

Step-by-step explanation:

f(x) = x^3 – 2x^2 – x + 2

f(x) = (x - 2) (x - 1) (x + 1)

x=2

x=1

x=-1

BasketballEinstein

Answer:

[tex]\displaystyle -1, 2, 1 = x[/tex]

Step-by-step explanation:

[tex]\displaystyle [x^3 - 2x^2] - [x + 2] \\ x^2[x - 2] \: \: -1[x - 2] \\ \\ [x - 2][x^2 - 1] \\ \\ [x - 2][x - 1][x + 1][/tex]

Then, when set to equal zero, you get the above roots.

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