2 9 х 14 7 July 8, 2019 16 32 64 128 2 9 14 7 Х 9 14 7 2 5 2 9 * x (- 3 7 )( 14 5 2 9 - x = 14 7 2 9-х=14 2 2 9/14х-1 17/21х=1 1/9
