Question

Dada a equação (x-6). (-2x+1)=0 determine as raízes

Answer 1

x-6=0 ==>x=6

-2x+1=0  ==>-2x=-1  ==>x=-1/(-2)=1/2

Answer 2

x - 6 = 0  x = 6

- 2x + 1 = 0  

(-1)

2x - 1 = 0 

2x = 1

x = 1 / 2

S = {6, 1/2}