3 2х 1 4 5 7 2х 5 4 July 8, 2019 16 32 64 128 5х – 3(4х – 1) = 7 – 2(7х + 2) – 3 (2 1х – 4) – 4 2 = 1 2 (–5х + 0 5) (3х – 5)(2х + 7) = (3х + 1)(2х – 3) + 4х
