[tex] \frac{3x+1}{x} = \frac{6x+12}{2x+1} [/tex] :D Multumesc

Răspuns :

x(6x+12)=2x(3x+1)
6x²+12x=6x²+2x
6x² se simplifică
12x=2x
12x-2x=0
10x=0
x=0