Разложите на можители:
1) x^3 - 1 =
2) 27 + a^3 =
3) 216 - y^3 =
4) a^6 - 8 =
5) a^3b^3 - c^3 =

1) x³-1=(x-1)(x²+x+1).2) 27+a³=(3+a)(9-3a+a²).3) 216-y³=(6-y)(36+6y+y²).4) a⁶-8= (a²-2)(a⁴+2a²+4).5) a³b³-c³=(ab-c)(a²b²+abc+c²).