danikamunoz1 danikamunoz1
  • 26-02-2021
  • Mathematics
contestada

The length of the rectangle is one units more than the width. The area of the rectangle is 56 units. What is the width, and units, of the rectangle?

Respuesta :

salukhalid
salukhalid salukhalid
  • 26-02-2021

Width is x.

Length is (x + 1).

Area = length*width

56 = x(x+1)

x² + x - 56 = 0

(x+8)(x-7)=0

x = - 8, or x = 7

"- 8" is impossible for width.

So, width x = 7

Length = (x+1) = 7+1 = 8

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