Question

2x ao quadrado + 3x +1=0

Answer 1

2x² +3x +1 = 0
delta = b² - 4ac
delta = 9 - 8
delta = 1
x = -3 +-1/4
x ´= -2/4 = -1/2
x´´ = -4/4 = -1                                 ok