Ex 14.2, 1 (iii) - Factorise 25m^2 + 30m + 9 - Ex 14.2

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

Transcript

Ex 14.2, 1 Factorise the following expressions. (iii) 25๐‘š^2 + 30m + 9 25๐‘š^2 + 30m + 9 = ใ€–(5๐‘š)ใ€—^2+ 30๐‘š+3^2 = ใ€–(5๐‘š)ใ€—^2+ (2ร—5๐‘šร—3)+3^2 = ใ€–(5๐‘š)ใ€—^2+ 3^2+(2ร—5๐‘šร—3) Using (๐‘Ž+๐‘^2 )=๐‘Ž^2+๐‘^2+2๐‘Ž๐‘ Here, ๐‘Ž = 5m and b = 3 = ใ€–(๐Ÿ“๐’Ž+๐Ÿ‘)ใ€—^๐Ÿ

About the Author

Davneet Singh's photo - Teacher, Engineer, Marketer
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.