А) (х + 4)2 = 3х + 40; б) (2x – 3)2 = 11х - 19;
в) 3(х + 4)2 = 10x + 32;
г) 15х2 +17 = 15(х + 1)2
=
=

prostopohelnaxyi    2   23.12.2021 02:24    2