document.write( "Question 465880: the length of a rectangle is 2 inches longer than its width. the area of the rectangle is 323 in2. find the demensions of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #319263 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! \"the length of a rectangle is 2 inches longer than its width. the area of the rectangle is 323 in2. find the demensions of the rectangle.\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = width \n" ); document.write( "x + 2 = length {length is 2 longer than width}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Area of a rectangle is width x length\r \n" ); document.write( "\n" ); document.write( "x(x + 2) = 323 {area is width x length} \n" ); document.write( "x² + 2x = 323 {used distributive property} \n" ); document.write( "x² + 2x - 323 = 0 {subtracted 323 from both sides} \n" ); document.write( "(x + 19)(x - 17) = 0 {factored into two binomials} \n" ); document.write( "x + 19 = 0 or x - 17 = 0 {set each factor equal to 0} \n" ); document.write( "x = -19 or x = 17 {subtracted 19 and added 17, respectively} \n" ); document.write( "x = 17 {width cannot be negative} \n" ); document.write( "x + 2 = 19 {substituted 17, in for x, into x + 2}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "width = 17 in. and length = 19 in. \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |