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Mathematics, 28.04.2021 19:10 estrellagutierrez12

Franchesca decides that, instead of gluing the photo to the top of a mat, she will buy a mat that goes over her photograph and then place the photo and mat in a frame. This type of mat has a rectangular hole in the center. The hole is exactly the size of the photo. Find the polynomial expression for the area of the mat. Explain the method.

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