Answer:

(3-1-5-1)-1

Step-by-step explanation:

(2-5-1)-1

(-3-1)-1

(-4)-1

-4-1

-5....

hope this helps u

Answer:

-5

Step-by-step explanation:

(2-5-1)-1

(-3-1)-1

(-4)-1

-4-1

-5...