Example 6 - Chapter 4 Class 9 - Exploring Algebraic Identities (Ganita Manjari I)
Last updated at May 15, 2026 by Teachoo
Factorisation of Algebraic Expressions Using Identities
Factorisation of Algebraic Expressions Using Identities
Last updated at May 15, 2026 by Teachoo
Transcript
Example 6 Find factors of algebraic expression: 36𝑥^2+12𝑥+1. Since 62 = 36, we can write our expression as 36𝑥^2 + 12𝑥 + 1 = 36𝑥^2 + 1 + 12𝑥 = (𝟔𝒙)^𝟐 + (𝟏)^𝟐 + 2 × 𝟔𝒙 × 1 = (𝟔𝒙+𝟏)^𝟐 Using (𝑎+𝑏)^2 = 𝑎^2 + 𝑏^2 + 2ab Where 𝑎 = 6𝑥, b = 1