How do you condense #lnx+ln3#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Alan N. Feb 23, 2017 #ln 3x# Explanation: Remember: #log_a b + log_a c = log_a (bxxc)# and: #ln x = log_e x# Hence: #ln x + ln 3 = ln(x xx 3) = ln 3x# 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 6522 views around the world You can reuse this answer Creative Commons License