Question

-20-5.[(-2).(4-7)+8-25]

Answer 1

-20-5.[(-2).(4-7)+8-25] =
-20-5.[(-2).(-3)+8-25] =
-20-5.[6+8-25] = 
-20-5.[-11] =
-20+55 =
35

Answer 2

$\mathtt{-20-5~.[(-2)~.~(4-7) + 8 -25]}\\ \mathtt{-20 -5~.~[(-2)~.~(-3)+8-25]} \\ \mathtt{-20 -5~.~[6 -17]} \\ \mathtt{-20 -5~.~-11} \\ \mathtt{-20+55} \\ \mathtt{~~35} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta : 35}}}$