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![Factorise the algebraic expression x^2 + 4x + 4 [Ganita Manjari I] - Factorisation of Algebraic Expressions Using Identities](https://cdn.teachoo.com/28986eca-3d73-4d09-9a8a-a0219d8bce37/slide42.jpg)
Example 5 - Chapter 4 Class 9 - Exploring Algebraic Identities (Ganita Manjari I)
Last updated at May 15, 2026 by Teachoo
Factorisation of Algebraic Expressions Using Identities
Class 9
Chapter 4 Class 9 - Exploring Algebraic Identities (Ganita Manjari I)
- Consecutive Square Numbers
- Visualising Algebraic Identities
- Exercise Set 4.1
-
Factorisation of Algebraic Expressions Using Identities
- Exercise Set 4.2
- More Identities
- Exercise Set 4.3
- Rewriting a2 - b2 Identity
- Factorisation Using Algebra Tiles
- Factorisation by Splitting the Middle term
- Exercise Set 4.4
- Finding New Algebraic Identities
- Simplifying Rational Expressions
- Exercise Set 4.5
- Word Problems
- End-of-Chapter Exercises
Transcript
Example 5 Factorise the algebraic expression 𝑥^2+4𝑥+4. 𝑥^2 + 4𝑥 + 4 = 𝑥^2 + 4 + 4𝑥 = 𝒙^𝟐 + (𝟐)^𝟐 + 2 × 𝒙 × 2 = (𝒙+𝟐)^𝟐 Using (𝑎+𝑏)^2 = 𝑎^2 + 𝑏^2 + 2ab Where 𝑎 = 𝑥, b = 2
