Express of (x – y)³ is ___________.
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Answered by
5
Answer:
x³-y³-3xy(x-y)
Step-by-step explanation:
Hope it helped
Answered by
2
Step-by-step explanation:
=(x+y)³
=(x+y)(x+y)(x+y)
={(x+y)(x+y)}(x+y)
=(x²+xy+xy+y²)(x+y)
=(x+y)(x²+y²+2xy)
=x³+xy²+2x²y+yx²+y³+2xy²
=x³+y³+3x²y+3xy²
=x³+y³+3xy(x+y)
Hence proved also!
hope it will help you
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