Question

solve using appropriate indentities (x+2y)x(x+2y)​

Answer 1

Answer:

(x+2y)(x+2y)

(x+2y)²

using identity (a+b)²= a²+b²+2ab

(x+2y)²= (x)²+(2y)²+2*x*2y=x²+4y²+4xy