Check sibling questions

Example 6 (i) - Chapter 8 Class 8 Algebraic Expressions and Identities

Last updated at May 29, 2023 by

Example 6 - Add (i) 5m (3 - m) and 6m^2 - 13m (ii) 4y (3y^2 + 5y - 7)

Example 6 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 2

 

 

 

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class

Book a free demo

Transcript

Example 6 Add (i) 5m (3 – m) and 6m2 – 13m Simplifying first expression 5m (3 – m) = 5m × 3 – 5m × m = (5 × 3)m – 5(m × m) = 15m – 5m2 So our expression are 15m – 5m2 & 6m2 – 13m Adding the expressions, ∴ Required sum = 2m + m2

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.