Answers

2015-06-22T21:03:29+08:00
Use the formula : (a+b) ^{3} = ( a+b)( a^{2} - ab + b^{2} )

So the answer is :
(3m + 4)(9m ^{2}-12m + 16)
0
No problem , I take Kumon sessions that's why I know it . just always remember the two formulas. :)