Ответ:
Пошаговое объяснение:
x³ + 3x²y + 3xy² + y³ + 8y³ = (x + y)³ + (2y)³ = (x + y + 2y)(x² + 2xy + y² -2xy - 2y² + 4y²) =
=(x + 3y)(x² + 3y²)
2 способ:
x³ + 3x²y + 3xy² + 9y³ = x²(x + 3y) + 3y²(x + 3y) =
= (x + 3y)(x² + 3y²)
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Verified answer
Ответ:
Пошаговое объяснение:
x³ + 3x²y + 3xy² + y³ + 8y³ = (x + y)³ + (2y)³ = (x + y + 2y)(x² + 2xy + y² -2xy - 2y² + 4y²) =
=(x + 3y)(x² + 3y²)
2 способ:
x³ + 3x²y + 3xy² + 9y³ = x²(x + 3y) + 3y²(x + 3y) =
= (x + 3y)(x² + 3y²)