12 8*x - 27
8*x^12 - 27 при x = 1/4
8*x^12 - 27
8*(1/4)^12 - 27
-56623103/2097152
-27.0 + 8.0*x^12
/ 4\ / 8 4\ \-3 + 2*x /*\9 + 4*x + 6*x /