document.write( "Question 83731: Geometry: A triangle has sides 3x+7, 4x-9, and 5x+6. Find the polynomial that represents its perimeter. \n" ); document.write( "
Algebra.Com's Answer #60233 by tutorcecilia(2152)\"\" \"About 
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Perimeter of a triangle=the sum of the three sides
\n" ); document.write( "P=side 1 + side 2 + side 3
\n" ); document.write( "P=(3x+7) +(4x-9)+(5x+6)
\n" ); document.write( "P=12x+4\r
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