( 2x-5y)³ using identities
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Answer:
Answer Is:- 8x³-125y³-60x²y+150xy²...
Step-by-step explanation:
(2x-5y)³Is in the form of (x-y)³=x³-y³-3xy(x-y)
(2x-5y)³=(2x)³-(5y)³-3(2x)(5y)(2x-5y)
=(8x³)-(125y³)-30xy(2x-5y)
=(8x³)-(125y³)-60x²y+150xy²
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