document.write( "Question 356629: find the are and perimeter of a rectangle whose length is x and whose width is (2x+7) \n" ); document.write( "
Algebra.Com's Answer #254586 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! Area of rectangle = length times width\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Perimeter of rectangle = 2(length) + 2(width)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A = x(2x + 7)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A = 2x^2 + 7x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "=============================================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P = 2(x) + 2(2x + 7)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P = 2x + 4x + 14\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P = 6x + 14\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Did you follow? \n" ); document.write( " |