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4a^3 - a^2b - 36a + 9b
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4a^3 - a^2b - 36a + 9b

User Jatin Bodarya
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Answer:


4 {a}^(3) - {a}^(2) b - 36a + 9b


= {a}^(2) (4a - b) - 9(4a - b)


= ( {a}^(2) - 9)(4a - b)


= (a + 3)(a - 3)(4a - b)

User Andrii Gordiichuk
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