algebra

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The length of the side of a rectagular desk is given by 9x-2y cm.
The length of the front is given by 9x+2ycm. What is an algebriac expression for the area of the top of the rectangular desk? Including correct units

  • algebra -

    (9x-2y)(9x+2y)

    81x^2-4y^2 in cm^2

  • algebra -

    Kim, check your 2-1-11,12:08pm post.

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