SOLUTION: The width of a rectangle is 5 inches less than its length and the area is 36 square inches. What are the length and width of the rectangle? Thanks for your help!!!

Question 295463: The width of a rectangle is 5 inches less than its length and the area is 36 square inches. What are the length and width of the rectangle?
Thanks for your help!!!
Answer by alicealc(293) (Show Source): You can put this solution on YOUR website!
width = w
length = x
w = x - 5
area = 36
w * x = 36
(x - 5) * x = 36

x - 9 = 0 or x + 4 =0
x = 9 or x = -4

because the length can't be in negative number, so the length is 9 inches, and the width is x - 5 = 9 - 5 = 4 inches
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