Answers

2014-08-04T21:49:41+08:00
(a + 2)^3 = a^3 + 6a^2 + 12a + 8
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2014-08-04T21:51:35+08:00
Getting a cube of a binomial:
1st term: Cube the first term of the binomial
2nd term: Multiply the square of the first term by thrice the second term of the binomial
3rd term: Multiply the thrice of the first term by the square of the second term of the binomial
4th term: Cube the second term of the binomial

(a+2)³ = a³+6a²+12a+8
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