Question 7 • Common Core Algebra I B-IC
Factor out the greatest common factor, 3x: 36x³ − 15x² − 6x = 3x(12x² − 5x − 2). The quadratic factors as (3x − 2)(4x + 1), since their product is 12x² − 5x − 2. Therefore, the product of prime polynomials is 3x(3x − 2)(4x + 1), choice B.
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