Example 4 - Factorise x^2 + 8x + 16 - Chapter 14 Class 9

  1. Chapter 14 Class 8 Factorisation
  2. Serial order wise

Transcript

Example 4 Factorise ๐‘ฅ^2 + 8๐‘ฅ + 16 ๐‘ฅ^2 + 8๐‘ฅ + 16 = ๐‘ฅ^2 + 8๐‘ฅ + 4^2 = ๐‘ฅ^2 + (2 ร— 4 ร— ๐‘ฅ) + 4^2 = ๐‘ฅ^2 + 4^2 + (2 ร— 4 ร— ๐‘ฅ) Using (๐‘Ž+๐‘)^2 = ๐‘Ž^2+๐‘^2+2๐‘Ž๐‘ Here ๐‘Ž=๐‘ฅ, ๐‘=4 = (ใ€–๐’™ + ๐Ÿ’)ใ€—^๐Ÿ

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.