fcastillo258 fcastillo258
  • 19-01-2018
  • Mathematics
contestada

A square's side is increased by yards, which corresponds to an increase in the area by square yards. how many yards is the side of the initial square? the side is 5.92 yards.

Respuesta :

lachona1 lachona1
  • 23-01-2018
(x+3)^2 = x^2 + 69 

x^2 + 6x + 9 = x^2 + 69 

x^2 + 6x + 9 - x^2 = x^2 + 69 - x^2 

6x + 9 = 69
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