Question

2) (2x + 3) - 24 (2x + 3)² - 25 = 0.​

Answer 1

Объяснение:

2х+3)4-24(2х+3)2-25=0

Пусть :2х+3=у

4у-48у-25=0

-44у=25

у=25:(-44)

у=-25/44

2х+3=2·(-25/44)+3=-25/22+3=-25/22+22/22+2=-3/22+2=1+22/22-3/22=

=1+19/22=1 19/22

Ответ: 1 19/22