Question

Factories: x³-9y³-3xy(x-y)

Answer 1

Answer:

x³-9y³-3x²y+3xy²

x³-3x²y-3xy²-9y³

x²(x-3y) -3y²(x-3y)

(x²-3y²)(x-3y).

Glad I could help you.

Thanks.