Question

resolva a equaçao.....

c)3x² - 10x + 3 = 0

Answer 1

a = 3, b = -10 e c = 3
∆ = b² - 4ac
∆ = (-10)² - 4.3.3
∆= 100 - 36 = 64

x = - b ± √∆
———
2a

x = - (-10) ± √64
———
6

x1 = 10 + √64
———
6
x1= 10 + 8
——
6
x1 = 3

x2 = 10 - √64
———
6
x2 = 2/6 = 1/3