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simplificati fractia [tex] \frac{12x ^{2}-3 }{4 x^{2} -4x+1} prin 2x-1[/tex]

Răspuns :

   
[tex] \frac{12x ^{2}-3 }{4 x^{2} -4x+1}= \frac{3(2x-1)(2x+1)}{(2x-1)^{2}} \text{se simplifica prin (2x-1)} \\ \\ \frac{3(2x-1)(2x+1)}{(2x-1)^{2}}=\frac{3(2x+1)}{2x-1}= \frac{(6x+3)}{2x-1}[/tex]