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[tex] \frac{X(X + 3) - (X-3)}{X+3} [/tex]

Răspuns :

[tex]\dfrac{X(X+3)-(X+3)}{X+3}=\dfrac{X(X+3)}{X+3}-\dfrac{X+3}{X+3}=X-1.[/tex]

Green eyes.