How do you simplify log_2 5 + log_2 x - log_2 10? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Cesareo R. May 28, 2016 log_2 x-1 Explanation: log_2 5+log_2 x-log_2 10=log_2(5timesx/10)=log_2(x/2) but log_2(x/2)=log_2x-log_2 2=log_2 x-1 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 2106 views around the world You can reuse this answer Creative Commons License