Question: Chen has a rectangular backyard that measures 50 feet by 40 feet. He wants to make a garden and decides that he will place brick

Chen has a rectangular backyard that measures 50 feet by 40 feet. He wants to make a garden and decides that he will place brick pavers to form a uniform border around the sides of the garden so he can walk around without trampling any plants. He is considering several size pavers, so he lets x represent the width of the border, as shown in Figure 3.14. Find a polynomial that represents the area of the garden in square feet

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