SOLUTION: Short Answer. The length of the side of a rectangular desk is given by 3x - 2y cm. The length of the front is given by 3x + 2y cm. What is an algebraic expression for the area of t

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Question 472508: Short Answer. The length of the side of a rectangular desk is given by 3x - 2y cm. The length of the front is given by 3x + 2y cm. What is an algebraic expression for the area of the top of the rectangular desk? Include correct units as part of your answer.
Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!
Area = (3x-2y)(3x+2y) sq cm

We don't even need to expand it; all we need to do is realize it is a difference of two squares.

Area = 9x^2 - 4y^2 sq cm

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