SOLUTION: A triangle has sides 2x - 5, 3x + 1 and 4x + 2. Find the polynomial that represents its perimeter. Is it 9x - 2 Thanks for help

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: A triangle has sides 2x - 5, 3x + 1 and 4x + 2. Find the polynomial that represents its perimeter. Is it 9x - 2 Thanks for help      Log On


   



Question 41567: A triangle has sides 2x - 5, 3x + 1 and 4x + 2. Find the polynomial that represents its perimeter.
Is it
9x - 2
Thanks for help

Answer by mszlmb(115) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter's all the sides added up so we have
(2x - 5)+(3x + 1)+(4x + 2) which we can safely convert to
2x-5+3x+1+4x+2 change the order around a little..
2x+3x+4x-5+1+2 solve
9x-2
yup, you got it right