Question

Pelo amor de Deus,me ajuda nunca te pedi nada!
É bhaskara,socorro

6x²+x-1=0

Answer 1

Δ = b²-4ac
Δ = 1²-(4x6x-1)
Δ = 1+24 = 25
x= -b+-√Δ÷2a
x=-1+-√25÷2
x1=-1+5÷2 = 2
x2=-1-5÷2 = 3

Answer 2

Δ = 1² + 24
Δ = 25

x = -1 +-√25/12
x = -1 +-5/12

x' = -1 +5/12
x' = 4/12 = 1/3

x'' = -1 - 5/12
x'' = -6/12 = -1/2         ok