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Special identity

The cube of a term, minus the square of this term times the other term multiplied by 3, plus the square of the other term multiplied by the first term and by 3, minus the cube of the other term is the same as the cube of the difference of the two terms.

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The cube of a term, minus the square of this term times the other term multiplied by 3, plus the square of the other term multiplied by the first term and by 3, minus the cube of the other term is the same as the cube of the difference of the two terms.


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