Question

1) USANDO A FORMULA DE BHASKARA RESOLVA.
A)6X2-14X+8=0

Answer 1

6x² - 14x + 8 = 0
x = {14 =-√[(-14)² - 4(6)(8)]}/2(6)
x = {14+-√[196 - 192]}/12
x = [14+-√4]/12
x = (14 +-2)/12
x' = (14+ 2)/12 ⇒ x' = 16/12 ⇒ x' = 4/3
x'' = (14 - 2)/12 ⇒ x'' = 12/12 ⇒ x'' = 1