3х 10 5х 2 4х 5 July 8, 2019 16 32 64 128 10 5 - (2х - 3) = 4 2 3х - 2) (3х + 2) + (4х - 5)2 = 10х + 21 3х-5 10 4х-10 10 3х-5 1