Answer:1
Step-by-step explanation:
First, do PEMDAS (Parenthesis)
2+5 = 7
3-4 = -1
Then, find the square root of 25, which is 5, since 5x5 = 25
Subtract 25-5, which is 20.
Then, -1 + 7 = 6
6 - 5 = 1.