Find the roots of 1/x+4-1/x-7=11/30 ,x is not equal-4,7
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(x-7) - (x+4)= 11(x-7)(x+4)/30
-11 = 11( x^2 -3x -28)/30
-30 = x^2 -3x -28
x^2 -3x +2 = 0
(x-1)(x-2) = 0
x = 1, 2
-11 = 11( x^2 -3x -28)/30
-30 = x^2 -3x -28
x^2 -3x +2 = 0
(x-1)(x-2) = 0
x = 1, 2
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