1-1/x-5=1/x+5

问题描述:

1-1/x-5=1/x+5

1=1/(x-5) + 1/(x+5)
(x-5)(x+5)=(x+5)+(x-5)
x^2-25=2*x
x^2-2*x+25=0
x1=2+(4+4*25)*1/2,
x2=2-(4+4*25)*1/2,