# Algebra – an important life skill!

Algebra is a branch of mathematics that uses letters like x, y, and z, to represent numbers in equations and formulas. These letters signify quantities without fixed values known as variables, unlike arithmetic that is based on known number values. Algebra also uses symbols like, +, -, and ( ) and have the same meaning as other branch of math.

##### Example

6x, 9x + 6, y - 5x, x2+ 5 + 1, (x+ 2) (y+2), etc.

In short, algebra is about finding the unknown or using the variables to solve equations. It is designed to help solve problems quicker and easier.

Here is a listing of all the algebra lessons available in this section.

• What is Algebra
• Algebra in everyday life
• Basic algebraic terms
• Solving methods for algebra
• Algebra formulae
• Commutative associative laws
• Distance formula
• Foil method
• Midpoint formula
• Parentheses rules
• Polynomial operations
• Polynomial subtraction
• Polynomial multiplication
• Polynomial long division
• Graphs of polynomial functions

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