Algebra-1 Problems

5.12 Multiplication and Addition of Polynomials

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A rectangular field has sides: (32 + x) ft and (32 - x) ft respectively. The entire field is covered with grass except for the rectangular cemented region with sides: (9 + x) ft and (9 - x) ft respectively. Sides of the cemented region are aligned with those of the grass field. What is the area of the field covered with grass?



A rectangular prism has length of (x + 5), width of (x - 2) and height of ($\frac{x}{9} - 10$). Write a polynomial to represent the volume of the prism.