<PRE><B>Question 1047842</B>
In solving the rational equation x/x^2-7x+12-3/x^2-9=1 the largest non-permissible value of x is? 
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x/(x^2-7x+12) -3/(x^2-9) = 1
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Factor the denominators::
x/[(x-4)(x-3)] - 3/[(x+3)(x-3)] = 1
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Ans: x = 4
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Cheers,
Stan H.
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