SOLUTION: The length of a rectangle is two inches less than its width. If the area of the rectangle is 112 square inches, find the length of the rectangle.

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Question 362382: The length of a rectangle is two inches less than its width. If the area of the rectangle is 112 square inches, find the length of the rectangle.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
width =x
length = x-2
area = 112
x(x-2)=112
x^2-2x=112
x^2-2x-112=0
..
discriminant = 452
x1=%282%2Bsqrt%28452%29%29%2F2
x1=11.63 inches
x1=%282-sqrt%28452%29%29%2F2
x2 =-9.6 is negative so ignore
..
length = 11.6-2 = 9.63 in
...
m.ananth@hotmail.ca