Question

2 x ao quadrado + 3x + 1 = 0

Answer 1

2x² + 3x +1 = 0
Δ = b² - 4ac
Δ = (3)² - 4 (2) (1)
Δ = 1

x= -b +/- √Δ /2
x = -(3) +/- √1 / 2(2)
x= -3 +/- 1 / 4
x' = -3 + 1 / 4 = - 1/2
x'' = -3 - 1/4 = -1