SOLUTION: Essay: Show all work. A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x + 2y

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Question 384035: Essay: Show all work. A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x + 2y inches, the other side should be inches.
x^2-2xy+9y^2 Write an algebraic expression for the area of such a whiteboard, simplify it, and include correct units with your solution.



Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Just multiply:

We can cancel out 2x%5E2y to obtain
x%5E3+%2B+5xy%5E2+%2B+18y%5E3 (in^2)