How do you solve #log_b9+log_bx^2=log_bx#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Gerardina C. Jul 25, 2016 #x=1/9# Explanation: Since #loga+logb=log(ab)#, you can write #log_b 9x^2=log_b x# that's equivalent to: #9x^2=x and x>0# and the solution is: #x=1/9# 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 1383 views around the world You can reuse this answer Creative Commons License