Question #da6e2

1 Answer
Dec 21, 2016

I got x=3

Explanation:

We can write:
log(x1)2=log(x+1)
The logs are equal if the arguments are equal:
So, we must have:
(x1)2=(x+1)
x22x+1=x+1
x23x=0
Let us rearrange:
x(x3)=0
This will give us two solutions:
x1=0 not acceptable because it would make the argument of the first log negative.
x2=3