Question

Determine o valor de x =

−b ±√∆
________
2a

x = _______________

x = _______________

x = _______________
ajudaaaaaaaa​

Answer 1

Resposta:

x²-x-6

∆=b²-4×ac

∆=-1²-4×1×(-6)

∆=1+24

∆=25

x=-b±√∆/2×a

x=-(-1)±√25/2

x=1±5/2

1x=1+5/2

1x=6/2

1x= 3

2x=1-5/2

2x=-4/2

2x= -2

então x pode ser -2 ou 3