(x+5)/(x-5)-(x-5)/(x+5)=15/4
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Hii its tom85
(x^2 +10x +25 - x^2 +10x -25)/(x^2 -25)= 15/4
4x/x^2 - 25 = 3/4
3x^2 -16x -75 = 0
(3x - 25)(x +3)=0
x =25/3
and
x=-3
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Hope it may helps you
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