SOLUTION: A triangle has sides 3x + 7, 4x - 9 and 5x + 6. Find the polynomial that represents its perimeter.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: A triangle has sides 3x + 7, 4x - 9 and 5x + 6. Find the polynomial that represents its perimeter.      Log On


   

Question 40090: A triangle has sides 3x + 7, 4x - 9 and 5x + 6. Find the polynomial that represents its perimeter.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter is the sum of the lengths of the sides...therefore
P = 3x + 7 + 4x - 9 + 5x + 6 =
P = 12x + 4