Phân tích : x^3+2x^2y+xy^2-9x

Oliver Hallam asked Nov 28, 2022

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Oliver Hallam asked Nov 28, 2022

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16 votes

Answer:

x(x+y+3)(x+y-3)

Explanation:

x³+2x²y+xy²-9x

= x((x²+2xy+y²)-3²)

= x((x+y)² - 3²)

= x(x+y+3)(x+y-3)

Rich Sutton answered Dec 2, 2022

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