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2015-07-08T19:57:37+08:00

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If sum of two cubes the formula is like this= x³+y³ = (x+y)(x²-xy-y²)
and the difference is like this= x³y³= (x-y)(x²+xy+y²)

these are the step
1. get the cube root of two terms
2. taking the operation between cubes,obtain a binomial factor
3. form the second trinomial factors as follows
a. square the first cube root
b. multiply the cube root
c. square the second cube root
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