Question

plzzz tell the answer​

Answer 1

Answer:

1. -16a²b²c .

2. (a-b)(a+b)= a²-b² .

hope it helps.

Answer 2

$( - 2ab ) \times ( - 2bc) \times ( - 4a)$

$- 16 {a}^{2} {b}^{2} c$