Question

log6(x-2)+log6(x-11)=2 помогите срочно!

Answer 1

Log6(x-2)*(x-11)=Log6(36)
(x-2)*(x-11)=36
x^2-11x-2x+22-36=0
x^2-13x-14=0
D=169+56=225
x1=(13+15)/2=14
x2=(13-15)/2=-1
Ответ:14 и -1