Question

quais são as raízes da equação 6x2 -13x +6=0?

Answer 1

6x2-13x+6 = 0
12-13x+6 = 0
-13x = -12-6  (-1)
13x = 12 + 6
13x = 18
x = 18/13
x = 1,384...

Answer 2

 6x2 -13x +6=0x' = $\frac{13 + 5}{12}$ n=18/12 = 3/2
x"=$\frac{13 - 5}{12}$ = 8 / 12 = 2/3
    S = { 3/2 , 2/3 }