Question

me ajudem pfvr

3x²+x-1=0​

Answer 1

Explicação passo-a-passo:

a= 3 b=1 c=-1

∆= b²-4.a.c

∆= 1²- 4.3.(-1)

∆= 1 + 12

∆= 13

x= - 1 ±√13/2.3

x1= -1 +√13/6

x2= - 1 -√13/6