х³ - 8х² - 2х + 16 = 0,
(х³ - 8х²) - (2х - 16) = 0,
х² * (х - 8) - 2 * (х - 8) = 0,
(х - 8)(х² - 2) = 0,
х - 8 = 0, х² - 2 = 0,
х1 = 8, х² = 2,
х2 = √2, х3 = -√2
111,222,333,444,555,666,777,888,999.
1)11,13,16;2)19,1716;3)29,23,28;4)68,64,61.
972/36=27
27/1973=0,01
0,01/25=0,0004
0,0004-79=-78,996