Question 387942
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Hi,         
Subtract and simplify:
 1*(2/x^2 - 2x - 8) -1*(1/x^2 - 5x + 4)
 2/x^2 - 2x - 8 - 1/x^2 + 5x - 4  
Combining like terms
 1/x^2 + 3x - 12