Tutorial - Solving logarithmic equations ex 15, log4(-x)+log4(x+10)=2

The video tutorial explains how to solve a logarithmic equation by combining logarithms, applying the distributive property, converting to exponential form, and using factoring techniques. It emphasizes the importance of checking solutions for validity, especially when dealing with negative numbers in logarithms.

Describe the factoring technique used to solve the equation derived from the logarithmic expression.

How do you verify if the solutions obtained from the logarithmic equation are valid?