algebra 2 problem

Question

3 log₅ x = - log₅ 125  

 someone help totally lost 

Answer 1

Hello David,

 

The equation can be re-written as:

 

log₅ (x³) = log₅ (1/125)

 

thus the trivial solution would be 

x³ = 1/125

x=1/5

 

Hope this will help.