Respostas

2013-11-13T23:30:07-02:00
2/x+3=x+1/12
24= x^2+x+3x+3
24= x^2+ 4x+3
x^2+4x+3-24
x^2+4x-21

Para achar o x basta utilizar Bhaskara
delta= 4^2-4 . 1 . -21
delta= 16+84
delta= 100

x= -4 +ou- raiz de 100/2.1
x'= -4+10/2
x'= 6/2
x'=3

x''= -4-10/2
x'= -14/2
x"=-7