Respuesta :

3×7-4×8+2. Equals -9
21-4×8+2
21-32+2
-11+2
-9

That is simplified, but I don't have any options to choose from. Sorry!
3 x 7-4x8 +2
(3 x 7)(-4x8) +2
(21- 32)+2
-11+2=-9