Respuestas

2012-05-17T21:29:26+02:00

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

x≠1 ∧ x≠-2

(x-1)(x-4)=(x+3)(x+2)

x²-4x-x+4=x²+2x+3x+6

-10x=2

x=-2/10

x=-1/5