Solve an equation using the square root method

The video tutorial explains how to solve equations using inverse operations. It covers the process of isolating the variable by undoing addition, subtraction, multiplication, and division. The tutorial also discusses handling powers and square roots, emphasizing the importance of considering both positive and negative roots. The video concludes with a verification of the solution.

Why is it important to consider both positive and negative values when taking the square root?

What is the final value of N after solving the equation?