Question

(-а-х)^2. (-b-y)^2. (-z-c)^2. (-2-n)^2. (-3-m)^2 (2n+1)^2
Решите

Answer 1

1) а^2+2ax+x^2
2)b^2+2by+y^2
3)z^2+2zc+c^2
4)4+4n+n^2
5) 9+6m+m^2
6) 4n^2+4n+1