Home
Featured Topics
Algebra
Calculus
Trigonometry
Combinatorics
Linear Algebra
Probability
Mathematical Logic
Set Theory
Sequences
Complex Numbers
Arithmetic
Functions
Definitions
Equations
Formulas
Identities
Logarithms
Polynomials
Powers
Roots
Resources
Visual Tools
Calculators
Generators
Converters
Tables
Other Tools
Base Converter
Binomial
Cdf
Chebyshev
Coin Toss
Conditional Probability
Conditional Probability - Contingency Table
Conditional Probability - Tree Diagram
Conditional Probability - Venn Diagram
Conditional Probability - Waffle Chart
Contingency Tables
Continuous
Continuous
Determinant Calculator
Dice Roll
Discrete
Discrete
Discrete
Distributions
Expected Value
Exponential
Fractions Visualizer
Gauss Elimination
Geometric
Hypergeometric
Inequalities
Markov
Matrix Multiplication
Matrix Transposition
Matrix Types
Negative Binomial
Normal
Permutations Visualizer
Poisson
Probability Function
Square Root
Total Probability
Tree Builder
Uniform Continuous
Uniform Discrete
Unit Circle
Variance
Venn Diagrams
Venn Diagrams - Three Sets
Venn Diagrams - Two Sets
Weighted
Go Back

Visual Tools

Calculators

Tables

Mathematical Keyboard

Converters

Other Tools

Home
algebra
visual-tools
identities
difference-of-squares

Difference of Squares a² − b²

Speed

Steps

Step 1
We start with a square of side a, so its area is a². This is the first half of the expression a² − b² that we want to factor — our goal is to show geometrically why it equals (a−b)(a+b).

Learn Math Class

Your comprehensive online resource for mathematics education. Interactive calculators, visual tools, and detailed explanations for algebra, calculus, probability, and more.

Topics

Algebra
Calculus
Trigonometry
Combinatorics
Linear Algebra
Probability
Mathematical Logic
Set Theory
Sequences
Complex Numbers
Arithmetic
Functions

Tools

Visual Tools
Calculators
Converters
Tables