X 7 x 2 14x 49 x 7 July 8, 2019 16 32 64 128 X 7 x 2 14x 49 x 7 при x =- 13 (x ^ 2 - 14x + 49)/(x ^ 2 + 4x) / ((x ^ 2 - 7x)/(2x + 8)) Find the product of (x + 7)(x − 7). x2 − 14x + 49 x2 − 49 x2 + 14x + 49 x2 + 49