The length of a rectangle is three centimeters less than the width. If the area of the rectangle is 54cm^2 , find the dimensions of the rectangle
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1 answer

width  x cm
then length = x3 xm
x(x3) = 54
x^2  3x  54 = 0
(x9)(x+6) = 0
x = 9 or x = 6, but the width couldn't be negative.
the rectangle is 9 cm by 6 cm
or, simply think this:
what 2 numbers multiply to get 54 and have a difference of 3 ?? 👍
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