0 5 x 7 * 0 5 1 2x 2 July 8, 2019 16 32 64 128 0 5 mũ x 7 x 0 5 mũ 1 2x 2 5 x 0 - 0 2(5 - 0 7x) + 0 02 = 1 4(x - 1 6)
