How To Solve a Polynomial Equation Raised to the Fourth Power

The video tutorial explains how to set up and solve a quartic trinomial equation by factoring. It begins with setting the equation to zero, ensuring the leading coefficient is positive, and then proceeds to factor the quartic trinomial. The tutorial emphasizes the importance of recognizing the degree of the polynomial and solving the factored equation by finding its roots, including simplifying square roots and considering plus or minus signs.

How do you factor the trinomial mentioned in the text?

What is the significance of including plus or minus when taking the square root?