Thank you for the opportunity to help you with your question!

Thank you for the opportunity to help you with your question!

x-2 because V(2)=0

Please let me know if you need any clarification for the doubts. I'm always happy to answer your questions. Looking forward to help you again. thank you. :) Please let me know if you need any clarification for the doubts. I'm always happy to answer your questions. Looking forward to help you again. thank you. :)

the length of the prism should be a factor of the given equation, so we see that for x= 2, the equation yields 0, so (x-2) is a factor of the equation. and hence it can be said that it can represent the length of the prism.