5x 2 4x 9 )-( 2x 2 3x 1 July 8, 2019 16 32 64 128 9-5x 2 - 4x 3 x - (3x - 1)/6 5(2x−3)+9(2−x) при x = 4x=4 5x + 4 / 2 + 3 = 9x / 4
