Factoring practice using difference of two squares

The video tutorial introduces quadratic forms, explaining how to rewrite expressions in this form. It covers solving the diamond problem and factoring, emphasizing the importance of rewriting expressions correctly. The tutorial also explores alternative methods for factoring, such as factoring out a negative one, to provide different solutions. The instructor promises to teach shortcuts and tricks for solving these problems.

Explain the process of factoring the expression discussed in the text.

What alternative method is suggested for factoring the expression?