Answers

2014-02-24T11:16:15+05:30
A3+b3+3ab(a+b)+a3-b3-3ab(a-b)+6a(a+b)(a-b)
2a3+3a2b+3ab2-3a2b+3ab2+6a(a+b)(a-b)
2a3+6ab2+6a(a+b)(a-b)
2a3+6a(b2+a2-b2)
2a3+6a3
8a3
0