X^ 2 x-7 = 49 x-7 July 8, 2019 16 32 64 128 X 2 x 7 49 x 7 X 7 x 2 14x 49 x 7 Lim x → 7 x 2 49 x 7 X 7 x 2 14x 49 x 7 при x =- 13 3 x 7 2 x 7 5 x 2 49