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 4416 views around the world You can reuse this answer Creative Commons License