(5-x)(5+x)
89999
0.008+a^3
600
25–10х+х^2
-5;0;5
5х(2х-1)(2х+1)
8х^3+60х^2у+150ху^2+125у^3
(3-а)(9+3а+а^2)
1/216-z^3
4а^2–20ав+25в^2
(4-3х)(16+12х+9х^2)