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Mathematics 9 Online
OpenStudy (anonymous):

If the length of a rectangle is x + 4 and the width is 2x – 3, what is the area? A. 3x + 1 B. 6x + 2 C. 2x² + 5x – 12 D. 2x² – 5x – 12 Which trinomial is the product of the binomials (4n + 5m)(3n – m)? A. 7n² + 4mn – 5m² B. 12n² + 11mn – 5m² C. 12n² + 11mn + 5m² D. 12n² + 19mn – 5m²

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