The value of the expression as given in the task content is; 43.
The value of the expression given in the task content can be determined by means of the PEMDAS rule as follows;
2 +(6+1)² -8
= 2 +7² -8
= 2 + 49 -8
= 43.
Read more on PEMDAS;
https://brainly.com/question/1094951
#SPJ4