Simplify the expression x4−16y4x2+2xy+2y2÷x2−4y2x2−2xy+2y2\frac{x^4 - 16y^4}{x^2 + 2xy + 2y^2} \div \frac{x^2 - 4y^2}{x^2 - 2xy + 2y^2}x2+2xy+2y2x4−16y4÷x2−2xy+2y2x2−4y2
x2+4y2x^2 + 4y^2x2+4y2
x2−2y2x^2 - 2y^2x2−2y2
x2+2y2x^2 + 2y^2x2+2y2
x2−4y2x^2 - 4y^2x2−4y2