Multiple Choice

A logistics coordinator is solving the quadratic equation 4(x24x21)=04(x^2 - 4x - 21) = 0 to determine the optimal length of a storage aisle. To factor the trinomial portion of the equation, the coordinator must identify two numbers based on a specific product and sum. According to the solution steps, what are the required product and sum for these two numbers?

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Updated 2026-04-20

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