Question 463332
{{{(16x^2-y^2)/(2sqrt(x)-sqrt(y)) = ((4x - y)(4x + y))/(2sqrt(x)-sqrt(y)) = ((2sqrt(x) - sqrt(y))(2sqrt(x) + sqrt(y))(4x+y))/(2sqrt(x)-sqrt(y)) = (2sqrt(x) + sqrt(y))(4x + y)}}}