simplify: (x-3y)^3 pls tell. it's urgent...
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- Answer :-
→ (x - 3y)³
→ (x)³ - (3y)³ - 3 × x × 3y(x - 3y)
→ x³ - 27y³ - 9xy(x - 3y)
→ x³ - 27y³ - 9x²y + 27xy²
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