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(x+2)la puterea a treia-x-2=(x+1)(x+2)(x+3)??

Răspuns :

Albastruverde12
[tex](x+2) ^{3} -x-2= (x+2)^{3} -(x+2)=(x+2)[ (x+2)^{2} -1]= \\ =(x+2)(x+2+1)(x+2-1)=(x+2)(x+3)(x+1)= \\ =(x+1)(x+2)(x+3).[/tex]

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