Question

expand the following indentities (
x+2y)²​

Answer 1

Answer:

1. (a+b)² =a² + b² +2ab

Step-by-step explanation:

(x+2y) = x²+ y² + 2xy

Answer 2

Step-by-step explanation:

(x+2y)²

using the identity (a+b)²=a²+b²+2ab

(x+2y)²=x²+(2y)²+2.x.2y

x²+4y²+4xy

Hope it helps ☺️