Question

Efectuati : $\frac{x}{2x+1} + \frac{2}{2x-1} - \frac{3x+1}{4 x^{2} -1}$

Answer 1

$\frac{x(2x-1)+2(2x+1)-3x-1}{(2x+1)(2x-1)}$
[tex] \frac{2 x^{2}-x+4x+2-3x-1 }{(2x+1)(2x-1)} [/tex]
$\frac{2 x^{2}+1 }{4 x^{2} -1}$
 nu se mai simplifica nimic :-s