To solve this expression, we will follow the order of operations (PEMDAS):

Simplify the expression within parentheses first:
(x/x + 7 - (x+7)/x)2 + x/7
= (1 + 7 - 1 - 7)2 + x/7
= (0)*2 + x/7
= 0 + x/7
= x/7

Therefore, the simplified expression is x/7.