How do you condense log (x+6)-log (x+3)? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Alan P. Mar 5, 2018 log((x+6)/(x+3)) Explanation: In general log(A/B)=log(A)-log(B) Answer link Related questions What is the common logarithm of 10? How do I find the common logarithm of a number? What is a common logarithm or common log? What are common mistakes students make with common log? How do I find the common logarithm of 589,000? How do I find the number whose common logarithm is 2.6025? What is the common logarithm of 54.29? What is the value of the common logarithm log 10,000? What is log_10 10? How do I work in log_10 in Excel? See all questions in Common Logs Impact of this question 1514 views around the world You can reuse this answer Creative Commons License