Find the factors.
7x2 – 5xy – 18y2
7x2 – 5xy – 18y2
⟹ 7x2 – 14xy + 9xy – 18y2
⟹ 7x(x – 2y) + 9y(x – 2y)
⟹ (7x + 9y) (x – 2y)
So (7x + 9y) and (x – 2y) are the factors of the given polynomial.
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