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OpenStudy (anonymous):
8. The area of a rectangular painting is given by the trinomial x2 + 4x – 21. What are the possible dimensions of the painting? Use factoring. (1 point) x + 7and x + 3 x – 7 and x + 3 x – 7and x – 3 x + 7and x – 3 my answer is D is that correct?
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OpenStudy (ajprincess):
ya right.
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