115. What should be added to 4c (– a + b + c) to obtain 3a (a + b + c) – 2b (a – b + c)? 115. What should be added to 4c (– a + b + c) to obtain 3a (a + b + c) – 2b (a – b + c)? July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related