12m^2-4*(1+2m^2)*12=01/(2x+4)+1/(2x-16)=1/24
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![12m^2-4*(1+2m^2)*12=01/(2x+4)+1/(2x-16)=1/24](/uploads/image/z/4517909-53-9.jpg?t=12m%5E2-4%2A%281%2B2m%5E2%29%2A12%3D01%2F%282x%2B4%29%2B1%2F%282x-16%29%3D1%2F24)
12m^2-4*(1+2m^2)*12=01/(2x+4)+1/(2x-16)=1/24
12m^2-4*(1+2m^2)*12=0
1/(2x+4)+1/(2x-16)=1/24
12m^2-4*(1+2m^2)*12=01/(2x+4)+1/(2x-16)=1/24
12m^2-4*(1+2m^2)*12=0
12m^2-48*(1+2m^2)=0
12m^2-48+96m^2=0
108m^2-48=0
108m^2=48
m^2=12/27
m=根号下12/27
4x+20/(2x+4)(2x-16)=1/24
2x+10/(x+2)(x-8)=1/24
(2x+10)*24/(x+2)(x-8)=1
48x+240/x^2-6x-16=1
48x+240=x^2-6x-16
x^2-54x-256=0
x1=2916-根号下1892/2
x2=2916+根号下1892/2
真尽力了!