Multiple Choice

A manufacturing quality specialist is auditing a technical manual that includes formulas for volume reduction. The manual factors the expression x3āˆ’1000x^3 - 1000 using the difference of cubes pattern: a3āˆ’b3=(aāˆ’b)(a2+ab+b2)a^3 - b^3 = (a - b)(a^2 + ab + b^2). To ensure the manual is accurate, the specialist must verify the signs in the resulting form: (xĀ [SignĀ A]Ā 10)(x2Ā [SignĀ B]Ā 10x+100)(x \text{ [Sign A] } 10)(x^2 \text{ [Sign B] } 10x + 100). Which pair of operators correctly completes the factored form?

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Updated 2026-09-18

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