Respuestas

2012-10-19T18:11:01+02:00
2012-10-19T20:50:45+02:00

3/x+1-1/2=1/3x3

6-(x+1)/2(x+1)= 1/3x3

3x3 (6-x-1)/2x+2=1

3x3 (6-x-1)=2x+2

3x3(5-x)=2x+2

15x3-3x4=2x+2

15x3-3x4-2x=2

 

acomodando

 

-3x4+15x3-0x2-2x-2=0

 

aqui has aspa doble y halla x