Mathematics, 01.02.2021 01:00 kendasinjab

To make a sign, a student cut off a small square piece from a poster board. She cut x inches from the width of the poster board and 2x inches from its length. The area of the original poster board in square inches can be represented by the quadratic expression 2x^2 + 24x+64. What was the area in square inches of the sign?

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