Question

Resolva a equação

-x²- 3x+1 =0
Delta=b²-4ac

Answer 1

-x²-3x+1=0

a=-1, b=-3, c=1

∆=b²-4ac

∆=(-3)²-4.(-1).1

∆=9+4

∆=13

x=-b±√∆/2a

x=-(-3)±√13/2.(-1)

x=3±3,6/-2

x1=3+3,6/-2

x1=6,6/-2

x1=-3,3

x2=3-3,6/-2

x2=-0,6/-2

x2=0,3