Difference of Two Squares
What Difference of Two Squares means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Difference of Two Squares
Check what you remember
Read the wording for your board, then hide it and explain Difference of Two Squares in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
The algebraic identity a² - b² = (a + b)(a - b).
Topics that use Difference of Two Squares
- Algebra and functions (Pearson Edexcel A-Level)
Related terms
- Algebraic division by linear expressions
- Amplitude
- Asymptote
- Comparing coefficients
- Completing the square
- Composite function
- Conjugate
- Discriminant
Using Difference of Two Squares in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge