s²-k²+16×S+64;
s²+16s+64-k²;
(s+8)²+k²;
(s+8+k)×(s+8-k).
Готово.
2s-k×2+16s+64
18s-k×2+64
2( 9s-k+32)
s²-k²+16×S+64;
s²+16s+64-k²;
(s+8)²+k²;
(s+8+k)×(s+8-k).
Готово.
2s-k×2+16s+64
18s-k×2+64
2( 9s-k+32)