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(x+2)(x patrat+4x+4)-x-2=??
Rezolvarea completa,va rog.


Răspuns :

(x+2)(x+2)² - (x+2) = (x+2)[(x +2)² - 1] =(x+2)(x+2-1)(x+2+1) = (x+2)(x+1)(x+3)