Answers

2016-06-28T17:27:57+08:00
The cube of the binomial is equal to the cube of the first term plus 3 multiplied to the product of the square of the first term and the second term plus 3 multiplied to the product of the first term and the second term plus the cube of the second term.
(a + 5)³ = (a)³ + (3)(a)²(5) + (3)(a)(5)² + (5)³
            =  a³  +    15a²    +  75a      +  125
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