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find a polynomial A(x) that represents the new area.
Tracie's garden is a square with sides of length x feet. Next spring she plans to make it rectangular by lengthening one side 3 feet and shortening the other side by 3 feet

• math -

The area of a rectangle= LengthxWidth
let x= the length of one side of the square garden

A(x)= (x+3)(x-3)

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3time 100

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