Simplify 4−16x22−4x\frac{4 - \frac{16}{x^2}}{2 - \frac{4}{x}}2−x44−x216.
2(x+2)x\frac{2(x+2)}{x}x2(x+2)
x+22x\frac{x+2}{2x}2xx+2
2(x−2)2(x-2)2(x−2)
x−2x\frac{x-2}{x}xx−2