Simplify (x^a+b/x^c)^a-b*(x^b+c/x^a)*(x^c+a/x^b)^c-a

1.	Simplify (x^a+b/x^c)^a-b(x^b+c/x^a)(x^c+a/x^b)^c-a
Answer» SORRY but I don't KNOW the ANSWER.

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