algebra

Please help...The area of a rectangular room is given by the trinomial x^2+4x-12. What are the possible dimensions of the rectangle? Use factoring.

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  1. (x-2)(x +6)

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  2. A. (x-6) and (x-2)
    B. (x+6) and (x+2)
    C. (x-6) and (x+2)
    D. (x+6) and(x-2)
    The correct answer (for the test I took) is D.

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