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(x+1)(x+2)+(x+1)(2x+3)​

Răspuns :

Gasesti rezolvarea in atasament.

Vezi imaginea LOREDANASCHNEID

(x+1)(x+2)+(x+1)(2x+3)

= (x+1)*(x+2+2x+3)

= (x+1)*(3x+5)