The polynomial

has a unique root,

, for any

.
Hence

is a polynomial with roots

and
Answer:
243.6
Step-by-step explanation:
Here is a video to help you with your question:
https://youtu.be/WaeD3qKc7Jc
You add all those number together then divide the number you got by how many numbers there are and that's your answer, 61.1
edit : dont listen to me I didnt see the numbers 64 and 65, im sorry