### Popular Tutorials in

#### What is a Variable?

You can't do algebra without working with variables, but variables can be confusing. If you've ever wondered what variables are, then this tutorial is for you!

#### What's a Coefficient?

There is a bunch of vocabulary that you just need to know when it comes to algebra, and coefficient is one of the key words that you have to feel 100% comfortable with. Check out the tutorial and let us know if you want to learn more about coefficients!

#### How Do You Factor a Polynomial Using Difference of Squares?

Trying to factor a binomial with perfect square factors that are being subtracted? You have a difference of squares problem! Learn how to factor a binomial like this one by watching this tutorial.

#### How Do You Factor a Polynomial Using Sum of Cubes?

Factoring a binomial involving addition? Can you rewrite each term as a cubed expression? Then you have a sum of cubes problem! Learn how to identify and factor a sum of cubes problem by watching this tutorial.

#### How Do You Factor a Polynomial Using Difference of Cubes?

Factoring a binomial involving subtraction? Can you rewrite each term as a cubed expression? Then you have a difference of cubes problem! Learn how to identify and factor a sum of cubes problem by watching this tutorial.

#### What is a Constant?

Constants are parts of algebraic expressions that don't change. Check out this tutorial to see exactly what a constant looks like and why it doesn't change.

#### What's a Term?

Polynomials are those expressions that have variables raised to all sorts of powers and multiplied by all types of numbers. When you work with polynomials you need to know a bit of vocabulary, and one of the words you need to feel comfortable with is 'term'. So check out this tutorial, where you'll learn exactly what a 'term' in a polynomial is all about.

#### What's a Factor?

Factors are a fundamental part of algebra, so it would be a great idea to know all about them. This tutorial can help! Take a look!

#### How Do You Know if You Have a Difference of Squares?

Not sure if the binomial you've factoring is a difference of squares problem? This tutorial will show you what characteristics the binomial must have in order to be a difference of squares problem. Take a look!

#### What is Quadratic Form of a Polynomial Equation?

Did you know that sometimes quadratics can be used to make a more complicated polynomial easier to work with? This tutorial introduces you to quadratic form and shows you what a polynomial needs to have in order to be written in that form.

#### What Are Numerical and Algebraic Expressions?

An expression is just a mathematical phrase. In this tutorial, you'll learn about two popular types of expressions: numerical and algebraic expressions. A numerical expression contains numbers and operations. An algebraic expression is almost exactly the same except it also contains variables. Check out this tutorial to learn about these two popular kinds of expressions!