The factorized form of the given expression $2a^2 - 9ab + 10b^2$ is:

$(a - 2b)(2a - 5b)$

Would you like more details on how this factorization was done, or do you have any further questions?

Here are five related questions you might find interesting:

1. How do you identify a quadratic trinomial that can be factorized?
2. What are the methods for factorizing quadratic expressions with different coefficients?
3. How can you check if a factorization is correct?
4. Can all quadratic trinomials be factorized neatly?
5. How does factorization relate to solving quadratic equations?

Tip: Always verify your factorization by expanding the factors back to the original expression!