What are the positive integers x for which

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- February 16th 2008, 10:22 PMperashpositive integers x
What are the positive integers x for which

- February 16th 2008, 11:33 PMangel.white
Wow, thats a tough question for pre algebra.

I am not good enough to prove it, but the answers are going to be 2 and 3.

After this, the (x+3)^x begins to outpace the sum of the lower powers, so it will continue to grow at a faster rate, and they won't ever catch back up. You can see it by charting the next few but like I said, I'm not good enough to prove it. Maybe someone else can prove it, I would love to see their thought process.