Question

- 20 - 5 • [(-2)•(4 -7) + 8 - 2• 5] me ajudem pfvr

Answer 1

$-20 -5 . [(-2).(-3) + 8 -10]= \\ \\ -20-5.[6+8-10]= \\ \\ -20 -5.[4]= \\ \\ -20-20=-40$