Find the product: (x+y)(x2-3xy +9y2)
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Answer:
x³-2x²y+6xy²+9y³
Step-by-step explanation:
(x+y)(x²-3xy+9y²)
=x(x²-3xy+9y²)+y(x²-3xy+9y²)
=x³-3x²y+9xy²+x²y-3xy²+9y³
=x³-2x²y+6xy²+9y³
Hope it helps :)
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