(32/x+2)+(32/x-2)=3.6 X等于多少?

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(32/x+2)+(32/x-2)=3.6 X等于多少?
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(32/x+2)+(32/x-2)=3.6 X等于多少?
(32/x+2)+(32/x-2)=3.6 X等于多少?

(32/x+2)+(32/x-2)=3.6 X等于多少?
(32/x+2)+(32/x-2)=3.6
[32(x-2)+32(x+2)]/[(x+2)(x-2)=3.6
64x/[x^2-4]=3.6
64x=3.6x^2-14.4
9x^2-160x-36=0
[3x-80/3]^2=36+6400/9=6724/9
3x-80/3=+/-82/3
x1=162/9
x2=-2/9