Answer:
2 (x + 3y) (x² - 3xy + 9y²)
Explanation:
Since both terms are perfect cubes, factor using the sum of cubes formula, a³ + b³ = (a + b) (a² - ab + b²) where a = x and b = 3y.
2 (x + 3y) (x² - 3xy + 9y²)
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