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am nevoie repede de raspuns (20p)

Am Nevoie Repede De Raspuns 20p class=

Răspuns :

x^3 - 2x^2 - x + 2 = x^2 ( x - 2 ) - 1 (x -2) = (x^2 - 1) ( x -2) = ( x-1) (x+1) (x-2)