How to solve a quadratic using the square root method with fraction

The video tutorial explains how to solve equations involving fractions by setting Y to zero to find the zeros of the equation. It covers isolating X squared, using the reciprocal to handle fraction multiplication, and taking the square root of fractions to find the solution. The tutorial emphasizes understanding the process and includes both positive and negative solutions.

What is the result of taking the square root of the fraction 9/16?

Why is it important to include both positive and negative solutions when taking the square root?