(- 2y 2 7y 1 ) ( 3y 2 5y 9 July 8, 2019 16 32 64 128 (- 2y 2 7y 1 )+( 3y 2 5y 9 (9y - 2)(2 1 - 7y) = 0 2 7+3y=9(y-2 1) 2 2y-7 и 3y-3