Răspunsuri

2014-06-06T10:35:23+03:00

(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)

sper ca te-am ajutat

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