$$\frac{20}{\left(x - 2\right)^{6}}$$
20
-------------------------------------------------
6 3 5 4 2
64 + x - 192*x - 160*x - 12*x + 60*x + 240*x $$\frac{20}{x^{6} - 12 x^{5} + 60 x^{4} - 160 x^{3} + 240 x^{2} - 192 x + 64}$$
$$\frac{20}{\left(x - 2\right)^{6}}$$