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Given that the polynomial x^2 - kx + 18 has only positive integer roots, find the average of all distinct possibilities for k.

 Aug 25, 2021
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Because the discriminant must be 0, k will have a positive and a negative that have the same absolute value(sorry for the excessive use of the word value XD), which means that the average of the two values will be $\boxed0$

 Aug 25, 2021

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