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- x^{3} +2+x- 2x^{2}  cum pot sal descompun??



Răspuns :

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