4𝑥^2 − 9𝑦^2 − 2𝑥 − 3𝑦
4𝑥^2 − 9𝑦^2 − 2𝑥 − 3𝑦
We can further write it as
= (2𝑥)^2- (3𝑦)^2- (2x + 3y)
Based on the equation 𝑎^2 − 𝑏^2 = (𝑎 + 𝑏)(𝑎 − 𝑏)
We get,
= (2x + 3y) (2x – 3y) – (2x + 3y)
Taking (2x + 3y) as common
= (2x + 3y) (2x – 3y – 1)
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