Welcome to How To: Algebra – your source for free algebra lessons  and algebra help with fully worked examples  and easy to understand definitions. Check below for a complete list of topics or use the search function in the upper right corner to find exactly what you are looking for!

Pre-Algebra

Properties of the Real Numbers: Commutative, Associative, Distributive

More on the Distributive Property

PEMDAS: The Order of Operations

Simplifying Expressions

Combining Like Terms

Negative Exponents

The Rules of Exponents

Simplifying Radical Expressions

Solving Equations

Solving Linear Equations

Solving Quadratic Equations (Overview)

Solving Quadratic Equations by the Square Root Method

Solving Quadratic Equations by Completing the Square

Solving Quadratic Equations Using the Formula

Solving Systems of Equations

Systems of Two Equations with Two Unknowns – The Substitution Method

Polynomials

What are Polynomials?

Addition and Subtraction of Polynomials

FOIL: Multiplying Two Binomials

Multiplying Two Polynomials in General

Logarithms

Laws of Logarithms

Expanding Expressions Using the Laws of Logarithms

Graphing

The Rectangular Coordinate System and Plotting Points

The Slope of a Line

Finding the Slope of a Line

Finding the Equation of a Line ()

Other Topics

Complex Numbers

Operations with Complex Numbers