Question

5{-1-4[1-5(-5+4)]}

Answer 1

work inside out by order of operations.
-5+4=-1
-5*(-1)=5
1+5=6
-4*6=-24
-1-24=-25
5*-25=-125

-125 is your answer

Answer 2

no it was 115

Answer 3

no it is -125, and i checked with a computer program. Did you write it correctly?

Answer 4

yes

Answer 5

I'm not sure what to say then, it is -125 not 115.