Mathematics, 27.01.2020 07:31 ineedhelpplz40

Arectangular photograph is mounted on a square piece of cardboard whose sides have length x. the boarder that surrounds the photo is 3 inches on each side and 4 inches on the top and bottom.

what is an equation that represents the area?

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Arectangular photograph is mounted on a square piece of cardboard whose sides have length x. the boa...