Asked by TOMMY

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

Am I suppose to just add these together to get the perimeter
3x+7
4x-9
5x+6

12x+4

that's how easy it is.
Answered by 3x+7,4x-9 and 5x+6
12x-6
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