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Simplificati: 6x²+2x/9x²+6x+1 va rog frumos

Răspuns :

[tex]= \frac{2x(3x+1)}{9x^2+3x+3x+1}= \frac{2x(3x+1)}{3x(3x+1)+(3x+1)}= \frac{2x(3x+1)}{(3x+1)^2}= \frac{2x}{3x+1} [/tex]