Posted by **ianian** on Tuesday, April 30, 2013 at 10:42pm.

What is the sum of all possible real values of x that satisfies the equation 25[x(log5 x)]=x^3.

- Maths -
**Steve**, Wednesday, May 1, 2013 at 11:05am
25[x(log5 x)]=x^3

Well, obviously x=5 is a solution

Also, x=1.077 is a solution, but you can't really solve for it without using exotic functions (Lambert W function).

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