SOLUTION: A rectangle has length twice the side of this square and width three units less than the side of this square. If the two areas are equal, what are the square's dimensions (w x h)?

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Question 433129: A rectangle has length twice the side of this square and width three units less than the side of this square. If the two areas are equal, what are the square's dimensions (w x h)?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Let x represent the length of the side of the square

rectangle: 2x and (x-3) the length and width

Question states***

 2x(x-3) = x^2

 2x^2 -6x = x^2

  x^2-6x = 0

 x(x-6) = 0

   x = 6 units, the length of the side of the square



CHECKING our Answer***

  12*3 = 36