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Descompuneti in factori x^2+x-2=

Răspuns :

Răspuns:

x^2+x-2=

x^2+2x-x-2=

x x(x+2)-(x+2)=

(x+2)x(x-1)

Răspuns:

x²+x-2=x²+2x-x-2=x(x+2)-x-2=x(x+2)-(x+2)=(x+2)(x-1)