Question

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

Answer 1

(x²+4y²)/(x-2y) +4xy/(2y-x)
x²+4y²/x-2y+4xy/-(x-2y)
x²+4y²-4xy/x-2y
x²-4xy+4y²/x-2y
(x-2y)²/x-2y
x-2y