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x² + x - 2 supra x² + 2x - 3​

Răspuns :

Răspuns:

x²+2x-x-2/x²+3x-x-3 = x(x+2)-(x+2)/x(x+3)-(x+3) = (x-1)(x+2)/(x-1)(x+3) = x+2/x+3