Question

$factorise x3 - 9y3 - 3xy(x - y)$
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Answer 1

Step-by-step explanation:

x³ - 9y³ - 3xy(x - y)

x³ - 3x²y + 3xy² - 9y³

x²(x - 3y) + 3y²(x - 3y)

(x - 3y) (x² + 3y²)

Answer 2

Answer:

$[tex]factorise x3 - 9y3 - 3xy(x - y)$[/tex]