3 years ago

Phân tích : x^3+2x^2y+xy^2-9x

Mathematics

1 answer:

Galina-37 [17]3 years ago

3 0

Answer:

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

Step-by-step explanation:

x³+2x²y+xy²-9x

= x((x²+2xy+y²)-3²)

= x((x+y)² - 3²)

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

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<em>Kearsi</em>

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