Question

use soma e produto:
6x^2 - 5x - 4 = 0

Answer 1

6x² - 5x - 4 = 0

x1 + x2 = - b/a
x1 + x2 = 5 ( 4/3 - 1/2)

x1 . x2 = c/a
x1 . x2 = - 4 [(4/3 . (- 1/2)]

S = {- 1/2, 4/3}