Question

Спростити вираз p^2-(2+p)(2-p)

Answer 1

Ответ:

2p^2-4

Объяснение:

p^2-(2+p)(2-p)= p^2-(4+2p-2p-p^2)=p^2-4-2p+2p+p^2=2p^2-4

Answer 2

p^2-(2+p)(2-p) = p^2-p^2-4 = -4