Question

How do you simplify `log_2 5 + log_2 x - log_2 10`?

Answer 1

`log_2 x-1`

Explanation:

`log_2 5+log_2 x-log_2 10=log_2(5timesx/10)=log_2(x/2)`
but `log_2(x/2)=log_2x-log_2 2=log_2 x-1`