(2 + 1)(22 + 1)(24 + 1)(28 + 1)(216 + 1) - 232
= (2 - 1)(2 + 1)(22 + 1)(24 + 1)(28 + 1)(216 + 1) - 232
= (22 - 1)(22 + 1)(24 + 1)(28 + 1)(216 + 1) - 232
= (24 - 1)(24 + 1)(28 + 1)(216 + 1) - 232
= (28 - 1)(28 + 1)(216 + 1) - 232
= (216 - 1)(216 + 1) - 232
= (232 - 1) - 232
= 232 - 1 - 232
= -1