4. Simplify. (vii) (m^2 – n^2m)^2 + 2m^3n^2 4. Simplify. (vii) (m^2 – n^2m)^2 + 2m^3n^2 October 12, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related