Răspuns:
Explicație pas cu pas:
se descompun in factori
6x²+x-1=0
x1,2=-1±√1+24/12=-1±5/12 x1=1/3 x2=-1/2
6x²+x-1=(3x-1)(2x+1)
4x²+8x+3=0
x1,2=-4±√16-12/4=-4±2/4 x1=-1/2 x2=-3/2
4x²+8x+3=(2x+1)(2x+3)
F1(x)=(3x-1)(2x+1)/(2x+1)(2x+3)=(3x-1)/(2x+3)
⇒F1=F2
