Question

Помогите log3 (6x+5)=2

Answer 1

18х+15=2
18х=2-15
18х=-13
х=-1,3
 так по моему хз

Answer 2

6x+ 5 = 9 (т.к. 3^2 = 9)
6x =4
x = 4/6 = 2/3

проверка : 6* 2/3 + 5 = 9