(4х-5)(6-3х)-4 (1-2х)(7+6х). (1,8х+1)(5х-1)-2,2х 9х во 2степени -4

Question

Алгебра: (4х-5)(6-3х)-4 (1-2х)(7+6х). (1,8х+1)(5х-1)-2,2х 9х во 2степени -4

NatalyaCeluh · Answer

Для начала раскрываем скобки:24х-30-12х^2+15х-4 7+6х-14х-12х^224х+15х-6х+14х 30+4+747х 41х 41/479х^2+5х-1,8х-1-2,2х 9х^2х 1...

(4х-5)(6-3х)-4< (1-2х)(7+6х). (1,8х+1)(5х-1)-2,2х> 9х во 2степени -4