How do you condense #log_3 (9x^4)-log_3(3x)^2#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Noah G Oct 11, 2016 Start by expanding #log_3(3x)^2# #log_3(3x)^2 = log_3(9x^2)# #=>log_3(9x^4) - log_3(9x^2)# #=> log_3((9x^4)/(9x^2))# #=>log_3(x^2)# Hopefully this helps! 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 4167 views around the world You can reuse this answer Creative Commons License