Question

Resolva a Equação do 2 grau :
3x²-2x-1=0

Answer 1

3x²-2x-1=0

Δ=(-2)²-4·3·(-1)

Δ=4+12

Δ=16

x=-(-2)+/-√16/2·3

x=2+/-4/6

x'=2+4/6=6/6=1

x''=2-4/6=-2/6=1/3

Answer 2

Faz a forma de delta e depois baskara, delta=16 baskara=1