Question

+8[(+5)-(-9)]= (+4)+[(+3)+(-7)]+(+1)=

Answer 1

+8[(+5)-(-9)]= 8[5+9]=8*14=112
(+4)+[(+3)+(-7)]+(+1)=4+[3-7]+1=4+[-4]+1=4-4+1=1

Answer 2

+8[(+5)+9]= (+4)+[(+3)-7]+(+1)
+8[+14]= +4[-21]+1
+22= +5[-21]
+22= -105
+22+105=127