спростіть вираз!!!!!!!!!!

Question

спростіть вираз!!!!!!!!!!

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Answer 1

2/(х -4) - (х + 8)/(х^2 - 16) - 1/x = [(2х(х + 4) -х(х + 8) - (х^2-16)]/[x(x-4)(x+4)] =
= [2x^2 + 8x - x^2 - 8x - x^2 + 16] /[x(х^2 - 16)] = 16/[x(х^2 - 16)]