find the identity (x-y)³
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Answer:
(x-y)^3
=> (x-y)(x-y)(x-y)
=> (x^2 + y^2 -2xy)(x-y)
=> x^3 - x^2y + xy^2 - y^3 - 2x^2y + 2xy^2
=> x^3 - y^3 -3x^2y + 3xy^2
Step-by-step explanation:
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