SOLUTION: the length of a rectangle exceeds its width by 3 inches, and the area is 54 square inches. what are the length and width of the rectangle?

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Question 317172: the length of a rectangle exceeds its width by 3 inches, and the area is 54 square inches. what are the length and width of the rectangle?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
L=W%2B3
A=L%2AW=54
%28W%2B3%29W=54
W%5E2%2B3W-54=0
%28W%2B9%29%28W-6%29=0
Two solutions but only the positive solution makes sense here.
W-6=0
highlight%28W=6%29
Then
L=W%2B3
highlight%28L=9%29