Question

Resolva as Equações:

a) 4/3x - x+4/x

b) 3/x-1 + 4x/x+1

Answer 1

a) 4/3x - x+4/x 
4-3x²+12/3x
16-3x²/3x

b) 3/x-1 + 4x/x+1
3(x+1)+4x.(x-1)/(x-1).(x+1)
-x+3+4x²/(x-1).(x+1)

Espero ter ajudado.