simplify (x+y)³-(x-y)³
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=x³+y³+3xy(x+y)-(x²+y²-2xy)( x-y). =x³+y³+3x²y+3xy²-x³+y³+3x²y-3xy². =2y³+ 6x²y. =2y(y²+3x²). webew7 and 24 more users ...
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this is your answer y6
hope you understand
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