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An inventory specialist is analyzing a cost-of-materials function modeled by the polynomial multiplication (x+4)(2x23x+5)(x + 4)(2x^2 - 3x + 5). When applying the Vertical Method, the specialist aligns the partial product from multiplying the trinomial by xx (which is ${}2x^3 - 3x^2 + 5x$) with the partial product from multiplying the trinomial by ${}4$ (which is ${}8x^2 - 12x + 20$). In the final step, adding the aligned terms in the x2x^2 column (3x2-3x^2 and ${}8x^2$) yields a term with a numerical coefficient of ____.

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Updated 2026-06-05

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