Multiple Choice

An inventory manager is simplifying a multi-variable cost model represented by the expression 4x2+8bx4ax8ab{}4x^2 + 8bx - 4ax - 8ab. After identifying that 4 is the numerical greatest common factor (GCF) for the entire expression, the manager factors it out as the first step. Which of the following expressions correctly represents the model after this first step is completed?

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Updated 2026-05-21

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