Question 411267
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Hi
length of a 'rectangle' is 6 more than its witdth
Let x and (x+6) represent the width and length respectively
Question states***
 x(x+6) = 72 cm^2    |Area of a rectangle is w*l
Solving for x
 x^2 + 6x - 72 = 0
factoring
 (x+12)(x-6) = 0
 (x+12) = 0  x = -12  |tossing out negative solution for a measure
 (x -6) = 0   x = 6cm, the width.  The length is 12cm  (6cm+6)

CHECKING our Answer***
 6cm*12cm = 72 cm^2