SOLUTION: Determine the values for which the rational expression is undefined. {{{(n - 9)/(n^2 + 3n

SOLUTION: Determine the values for which the rational expression is undefined. {{{(n - 9)/(n^2 + 3n - 10)}}} {{{n}}}{{{""=""}}}

Question 1183344: Determine the values for which the rational expression is undefined.

Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!



A rational expression is undefined when its denominator equals to zero, so
we set the denominator equal to zero and ignore the numerator.



Factor the left side



n + 5 = 0;   n - 2 = 0
    n = -5       n = 2  <-- values of n for which the rational expression
                            is undefined.     

Edwin

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