Expand: (x −23y)3 last 3 is power ok please answer it fast
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Step-by-step explanation:
Using the identity (a-b)³ = a³-b³-3a²b+3ab²
(x −23y)³
= (x)³-(23y)³-3×(x)²×23y+3×x×(23y)²
= x³-12167y³-69x²y+1587xy²
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