Completely factor the polynomial 8x2 – 24x + 20x – 60.

Group the terms: (8x² − 24x) + (20x − 60) = 8x(x − 3) + 20(x − 3). Factor out the common binomial to get (x − 3)(8x + 20), then factor 4 from the second factor: 4(x − 3)(2x + 5). This matches choice D, 4(x − 3)(2x + 5).

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