Question 80725
[1/(x - 3)] + [1/(x + 3)] = [10/(x^2 - 9)] 
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The lcm is x^2-9 or (x+3)(x-3)
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Multiply thru by the lcm to get:
(x+3) + (x-3) = 10
2x=10
x=5
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Cheers,
Stan H.