How to find the inverse of a quadratic equation

The video tutorial explains how to solve an equation involving a square root, emphasizing the importance of considering restrictions. The instructor guides through isolating the variable y, applying the square root, and deciding whether to use the positive or negative root based on given restrictions. The tutorial concludes with a summary and a transition to the next topic.

What is the restriction mentioned regarding the value of X?

How does the original restriction affect the final solution for Y?