Simplify: x3−y3x−y\frac{x^3 - y^3}{x - y}x−yx3−y3
x2+xy+y2x^2 + xy + y^2x2+xy+y2
x−yx - yx−y
x2+2xy+y2x^2 + 2xy + y^2x2+2xy+y2
x2−xy+y2x^2 - xy + y^2x2−xy+y2