4x 2 5x 9 0 July 8, 2019 16 32 64 128 Решите уравнение 9 4x 2 5x 0 4x 4 5x 2 9 0 Solve 5x ^ 2 - 4x + 9 = 0 5x 1 )( 4x 2 9 )= 0