Short Answer

Identifying Factor Pairs for Packaging Dimensions

A packaging engineer is analyzing the material constraints for a new design, where the surface area is modeled by the algebraic expression 18x237xy+15y2{}18x^2 - 37xy + 15y^2. To factor this expression using the trial and error method, the engineer must list the possible factors for the last term. Given that the last term is positive and the middle term is negative, identify the two specific pairs of negative factors for the last term, 15y2{}15y^2, that must be tested.

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Updated 2026-06-03

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