Example 4 - Chapter 12 Class 8 Factorisation
Last updated at Dec. 16, 2024 by Teachoo
Factorisation using identities
Example 4 You are here
Example 5 Important
Example 6
Example 8
Example 7 Important
Ex 12.2, 1 (i)
Ex 12.2, 1 (ii)
Ex 12.2, 1 (iii) Important
Ex 12.2, 1 (v)
Ex 12.2, 1 (viii)
Ex 12.2, 1 (vi)
Ex 12.2, 1 (iv) Important
Ex 12.2, 1 (vii) Important
Ex 12.2, 2 (i)
Ex 12.2, 2 (iii)
Ex 12.2, 2 (vi)
Ex 12.2, 2 (ii) Important
Ex 12.2, 2 (iv) Important
Ex 12.2, 2 (v)
Ex 12.2, 2 (vii) Important
Ex 12.2, 2 (viii) Important
Ex 12.2, 4 (i)
Ex 12.2, 4 (ii) Important
Ex 12.2, 4 (iii)
Ex 12.2, 4 (iv) Important
Ex 12.2, 4 (v) Important
Last updated at Dec. 16, 2024 by Teachoo
Example 4 Factorise 𝑥^2 + 8𝑥 + 16 𝑥^2 + 8𝑥 + 16 = 𝑥^2 + 8𝑥 + 4^2 = 𝑥^2 + (2 × 4 × 𝑥) + 4^2 = 𝑥^2 + 4^2 + (2 × 4 × 𝑥) Using (𝑎+𝑏)^2 = 𝑎^2+𝑏^2+2𝑎𝑏 Here 𝑎=𝑥, 𝑏=4 = (〖𝒙 + 𝟒)〗^𝟐