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 6894 views around the world You can reuse this answer Creative Commons License