X+2/x-2-x-2/x+2=1-x^2/x^2-4 solve the x
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Step-by-step explanation:
Considering x+2=a
Considering x-2=b
a/b-b/a=1-x^2/x^2-4
a^2-b^2/ab=(1-x)(1+x)/(x-2)(x+2)
(x+2)^2-(x-2)^2/(x-2)(x+2)=(1-x)(1+x)/(x-2)(x+2)
(x+2)^2-(x-2)^2=(1-x)(1+x)
x^2+4x+4-x^2+4x-4=1-x^2
8x=1-x^2
x^2+8x-1=0
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