Answer:
Step-by-step explanation:
The simple answer is that logs cannot be negative and if you insert a 2 where the x is located you get a negative. Logs have to be >= 0
[text]log_5 (3x-10) = log_5 (-4)[tex]
It all has to do with logs being tied to exponents and exponents being tied to logs. Actually an inverse of an exponent is a log.
