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

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


   

Question 112693: Solve.
A triangle has sides 3x + 7, 4x - 9, and 5x + 6. Find the polynomial
that represents its perimeter.
Answer by SHUgrad05(58) About Me  (Show Source):
You can put this solution on YOUR website!
Let a=3x + 7; b=4x - 9; c=5x + 6. Find the polynomial
that represents its perimeter.
The perimeter of a triangle is: P=a+b+c
P= 3x+7+4x-9+5x+6
Now simplify:
P=12x+4