Mathematics

Mathematics, 25.06.2019 13:30, heatherlemaster

Instructors led an exercise class from a raised rectangular platform at the front of the room. the width of the platform was (3x- 1) feet and the area was (9x^2 +6x- 3) ft^2. find the length of this platform. after the exercise studio is remodeled, the area of the platform will be (9x2+ 12x+ 3) ft^2. by how many feet will the width of the platform change?

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