How do you condense #log(x+2)-log(x+5)#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Gerardina C. Jul 16, 2016 #log((x+2)/(x+5))# Explanation: Since #log a-log b= log (a/b)# you can write #log(x+2)-log(x+5)=log((x+2)/(x+5))# 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 1426 views around the world You can reuse this answer Creative Commons License