Algebraic derivation of the identity (a+b)^2 = a^2 + 2ab + b^2

Algebraic identity (a+b)^2=a^2+2ab+b^2 derivation using algebraic expansion |Proof| IGCSE Maths 0580

This is the other way of deriving the algebraic identity. This time it the algebraic derivation. The video includes the prerequisite concepts needed or the proof. It also includes the detailed explanation of the derivation.