SOLUTION: find the dimensions of a rectangle whose length is 4 meters more than its width and whose area is 252m squared?

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Question 451828: find the dimensions of a rectangle whose length is 4 meters more than its width and whose area is 252m squared?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
n(n+4)=252
n2+4n-252=0
(n+18)(n-14)=0
n=14 or -18
Throwing out the negative answer, we get the width to be 14 meters, and the length to be 18 meters..