SOLUTION: A rectangle has a width of n-4 and a length of 3n^2+2n . What is the perimeter of the rectangle

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Question 528991: A rectangle has a width of n-4 and a length of 3n^2+2n . What is the perimeter of the rectangle
Answer by solver91311(24713) About Me  (Show Source):
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Just like the perimeter of any other rectangle, 2 times the length plus 2 times the width. Plug in the expressions and simplify. You won't be able to express the perimeter any way other than a quadratic trinomial in n, but nothing in the problem says that you have to do anything more than that.

John

My calculator said it, I believe it, that settles it
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