document.write( "Question 63079: 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 #43883 by 303795(602)\"\" \"About 
You can put this solution on YOUR website!
The perimeter of a triangle is found by adding the lengths of each side.
\n" ); document.write( "Perimeter = (3x + 7) + (4x - 9) + (5x + 6)
\n" ); document.write( "Perimeter = 3x + 7 + 4x - 9 + 5x + 6 Add like terms\r
\n" ); document.write( "\n" ); document.write( "Perimeter = 12x + 4
\n" ); document.write( "
\n" ); document.write( "
\n" );