Combining like terms together is a key part of simplifying mathematical expressions, so check out this tutorial to see how you can easily pick out like terms from an expression
Subtracting polynomials? No problem! Just distribute the negative sign to the second polynomial and then combine like terms. Watch this tutorial to see how it's done!
Want to see how to add two polynomials vertically? Then this tutorial is for you! In this tutorial, you'll see the steps you need to follow in order to add polynomials vertically.