SOLUTION: The width of a rectangle measures (3n+8p)(3n+8p) centimeters, and its length measures (3n-4p)(3n−4p) centimeters. Which expression represents the perimeter, in centimeters, of th

Algebra ->  Equations -> SOLUTION: The width of a rectangle measures (3n+8p)(3n+8p) centimeters, and its length measures (3n-4p)(3n−4p) centimeters. Which expression represents the perimeter, in centimeters, of th      Log On


   

Question 1176559: The width of a rectangle measures (3n+8p)(3n+8p) centimeters, and its length measures (3n-4p)(3n−4p) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle?



Found 2 solutions by ikleyn, ewatrrr:
Answer by ikleyn(52777) About Me  (Show Source):
You can put this solution on YOUR website!
.

Add two times the width with two times the length to get the perimeter.



Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
  P = 2W + 2L
  P = 2(3n+8p)(3n+8p) + 2(3n-4p)(3n−4p)
  P = 2[9n^2 + 48p + 64p^2 + 9n^2 - 24p + 16p^2]
  P = 2[18n^2 + 24p + 80p^2]
  P = (36n^2 + 48p + 160p^2)cm^2

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