Question

помогите пжлс
(2a+8)(a-2)

Answer 1

Ответ:

(2а+8)(а-2) = 2а²-4а+8а-16 = 2а²+4а-16

Answer 2

=2a×a-2a×a+8a-8×2=2a²-4a+8a-16=2a²-4a+16.

ответ:2a²-4a+16.