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05-10-2022
Mathematics

Answered

20. A square picture frame has side length x inches. The square opening for a picture
within the frame has side length 3 inches.
a. Write a polynomial that represents the area of the picture frame, not including
the picture.
b. The area in part (a) is 55 square inches. What is the side length of the picture
frame? Explain your reasoning.

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