tolong di jawab cepat untuk besok no.27

x + 3/x = 4
x(3/x + x) = (4)x
3+ x^2 = 4x
x^2 - 4x + 3 =0
(x-3)(x-1) =0
------------
x-3= 0
x=3
-----------
x-1=0
x= 1

{1,2}