Question

(x+y)^2-4xy (Hint:first expand (x+y)^2

Answer 1

x^2 + y^2 + 2xy - 4xy
= x^2 + y^2 - 2xy
= (x - y)^2

Answer 2

Hi Friend !!!

Here is ur answer !!!

(x+y)² - 4xy = x²+y²+2xy -4xy

= x²+y²-2xy

= (x-y) ²

Hope it helps u :-)