Question 41643
2log(x-5)=log9
log(x-5)^2=log9
(x-5)^2=9
x^2-10x+25=9
x^2-10x+25-9=9-9
x^2-10x+16=0
(x-8)(x-2)=0
x-8=0--->x=8
x-2=0--->x=2
the answers are x=8 and x=2