# Solution: 2008-7 Find all real solutions

Find all real solutions of $$3^x + 5^{x^2} = 4^x + 4^{x^2}$$.

The best solution was submitted by Haewon Yoon (윤혜원), 수리과학과 2004학번. Congratulations!

Here is his Solution of 2008-7.

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