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HELP PLSS RPDDD
Descompuneti in factori:
a) (x+1)³-4(x+1)


Răspuns :

(x+1)^3-4(x+1)=(x+1)[(x+1)^2-4]=(x+1)(x+1-2)(x+1+2)=(x+1)(x-1)(x+3)