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how can i factoring the sum or difference of two cubes

Guest Jun 27, 2017
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sum of two cubes:

a3 + b3   =   (a + b)(a2 - ab + b2)

 

difference of two cubes:

a3  - b3   =   (a - b)(a2 + ab + b2)

 

smiley

hectictar  Jun 27, 2017

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