difference of two squares

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difference of two squares

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difference of two squares (plural differences of two squares)

(algebra) The identity $x^{2}-y^{2}=(x+y)(x-y)\,$ that holds for all real numbers.
The fraction ${\frac {x-8}{x^{2}-64}}$ can be simplified to ${\frac {1}{x+8}}$ using the difference of two squares.

The mathematical identity

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