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 63079: A triangle has sides 3x + 7, 4x - 9, and 5x + 6. Find the polynomial that represents its perimeter.
Answer by 303795(602) About Me  (Show Source):
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The perimeter of a triangle is found by adding the lengths of each side.
Perimeter = (3x + 7) + (4x - 9) + (5x + 6)
Perimeter = 3x + 7 + 4x - 9 + 5x + 6 Add like terms
Perimeter = 12x + 4