Answers

2014-07-22T23:07:49+08:00
4a^3+27b^3+36a^2b+54ab^2
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try to use this so you can easily type square or cube keep the alt key pressed then typetype 0178 on the numeric keypad FOR SQUARE < AND FOR CUBE IS aslo kepp the alt pressed then type 0179
2014-07-22T23:26:30+08:00
We call that ' cube of binomial '

the way to solve cube of binomial is to 
-Cube the first term
-Square the first term then multiply to the second term then times 3
-Square the second term then multiply to the first term then times 3
-Cube the last term 

but ill just help you .. just reminding you the ways how to solve
4a³+2a²+3b²+3b³

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