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# Topic

Special identity 6.

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# Special identity 6.

Third power of a two-term sum.
The third power of a two-term sum is the same as the cube of the first term, three times the square of the first term times the second term, and three times the square of the second term times the first term plus the cube of the second term.
Third power of a two-term difference.
The third power of a two-term difference is the same as the cube of the first term, minus three times the square of the first term times the second term, plus three times the square of the second term times the first term plus, and minus the cube of the second term.
Third power of a two-term sum.
The third power of a two-term sum is the same as the cube of the first term, three times the square of the first term times the second term, and three times the square of the second term times the first term plus the cube of the second term.
Pictogram:
Examples:
Third power of a two-term difference.
The third power of a two-term difference is the same as the cube of the first term, minus three times the square of the first term times the second term, plus three times the square of the second term times the first term plus, and minus the cube of the second term.
Pictogram:
Examples:
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