document.write( "Question 8162: A triangle has three sides: 3x+7, 4x-9, and 5x+6. What is the expression that represents the perimeter? \n" ); document.write( "
Algebra.Com's Answer #4501 by longjonsilver(2297)![]() ![]() You can put this solution on YOUR website! perimeter is the sum of the lengths, so we get\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x+7 + 4x-9 + 5x+6 \n" ); document.write( "--> 12x + 4 ... this is good enough, or we can factorise it as 4(3x + 1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "jon. \n" ); document.write( " \n" ); document.write( " |