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  Topic

Special products 3.

Transformation of a product using special products
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Special products 3.
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Foundational topic:
Expanding brackets 1.
Addition and subtraction of multi-term expression.
Theoretical background:
The sum of the squares of the two terms plus the double product of the two terms is the same as the square of the sum of the two terms.
The sum of the squares of the two terms minus the double product of the two terms is the same as the square of the difference of the two terms
The difference of the square of two terms is the same as the product of the sum and the difference of the two terms.
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