216a³ + b³
a³ – 64
1 + a³
125a³ + 27
a³b⁶ – 343c⁹
a⁶ – 8
(a² – 2)(a⁴ + 2a² + 4)
(ab² – 7c³)(a²b⁴ + 7ab²c³ + 49c⁶)
(a – 4)(a² + 4a + 16)
(6a + b)(36a² – 6ab + b²)
(5a + 3)(25a² –15a + 9)
(1 + a)(1 – a + a²)
