1)2a^3-82a^3 - 82a(a^2 - 42a(a + 2)(a - 2)
2)a^3-4a^3 - 4a(a^2 - 4a(a + 2)(a - 2)
3)a^3-ab^a^3 - ab^a(a^2 - b^2a(a + b)(a - b)
4)2a^3-2ab^2a^3 - 2ab^2a(a^2 - b^22a(a + b)(a - b)
5)3a^2c-3c^3a^2c - 3c^3c(a^2 - c^23c(a + c)(a - c)
6)c-16c^c - 16c^c(1 - 16c^2c(1 + 4c)(1 - 4c^2)
1)2a^3-8
2a^3 - 8
2a(a^2 - 4
2a(a + 2)(a - 2)
2)a^3-4
a^3 - 4
a(a^2 - 4
a(a + 2)(a - 2)
3)a^3-ab^
a^3 - ab^
a(a^2 - b^2
a(a + b)(a - b)
4)2a^3-2ab^
2a^3 - 2ab^
2a(a^2 - b^2
2a(a + b)(a - b)
5)3a^2c-3c^
3a^2c - 3c^
3c(a^2 - c^2
3c(a + c)(a - c)
6)c-16c^
c - 16c^
c(1 - 16c^2
c(1 + 4c)(1 - 4c^2)