SOLUTION: 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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Question 1047842: In solving the rational equation x/x^2-7x+12-3/x^2-9=1 the largest non-permissible value of x is?
Found 2 solutions by ikleyn, stanbon:
Answer by ikleyn(52832) About Me  (Show Source):
You can put this solution on YOUR website!
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Find the roots of the denominators polynomials and select the maximal value of them.


Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
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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