Learn how to subtract two polynomials using two different methods

The video tutorial explains how to subtract trinomials by aligning them in descending order and converting the subtraction into an addition problem. The instructor demonstrates the process of distributing the negative sign and changing the signs of terms to simplify the problem. The tutorial emphasizes the ease of addition over subtraction and provides a detailed walkthrough of solving the problem, highlighting common mistakes and tips for accuracy.

What is the first important step to take when subtracting trinomials?

How can you rewrite a subtraction problem as an addition problem?

What happens to the signs of the terms when you change a subtraction problem to an addition problem?

Why does the teacher believe that adding is easier than subtracting?

What is the final result when combining the terms after rewriting the subtraction as addition?