Question

Ваше решение неверно !!!!
a²-x²-4x-4=
=a²-(x-2)²=
=(a-(x-2))*(a+(x-2))=
=(a-x+2)*(a+x-2)

Answer 1

a²-x²-4x-4= a²-(x²+4x+4)=a² - (x+2)²=(а-(х+2))*(а+(х+2)) =(а-х-2)*(а+х+2)