Sendov's conjecture is a math problem that asks if we can arrange the roots of a polynomial in a certain way. Now, a polynomial is just a fancy word for a math equation that has a bunch of terms added together, like 2x^2 + 3x + 1.
When we solve a polynomial, we find the "roots" or the values of x that make the equation zero. For example, the roots of the equation 2x^2 + 3x + 1 = 0 are -1 and -0.5.
So, Sendov's conjecture is asking if we can arrange these roots in a way such that the distance between any two neighboring roots is always smaller than the distance between any non-neighboring roots.
It's kind of like if you were standing in a line with some friends and you wanted to make sure that you and your closest friend were standing closer to each other than you were to anyone else in the line.
Scientists have been working on figuring out if this is always possible for any polynomial equation or if there are some equations where it's just not possible. It's a really tough problem that they're still figuring out, but if someone does solve it, it could help us understand math a lot better!