Greg, If you mean (x2)1/2-4=x-4 if you mean (x2-4)1/2 there is no further simplification. Jim

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Jim S. answered • 04/28/14

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Greg,

If you mean (x²)^1/2-4=x-4 if you mean (x²-4)^1/2 there is no further simplification.

Jim

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What is the square root of x^2-4