document.write( "Question 461488: a rectangular yard is 10 feet longer than it is wide. the area of the yard is 119 square feet. find the length and the width of the yard. \n" ); document.write( "
Algebra.Com's Answer #316497 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! x = width \n" ); document.write( "x + 10 = length {yard is 10 feet longer than it is wide}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Area of a rectangle = width x length\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x(x + 10) = 119 {area is width x length} \n" ); document.write( "x² + 10x = 119 {used distributive property} \n" ); document.write( "x² + 10x - 119 = 0 {subtracted 110 from both sides} \n" ); document.write( "(x + 17)(x - 7) = 0 {factored into two binomials} \n" ); document.write( "x + 17 = 0 or x - 7 = 0 {set each factor equal to 0} \n" ); document.write( "x = -17 or x = 7 {solved each equation for x} \n" ); document.write( "x = 7 {width cannot be negative} \n" ); document.write( "x + 10 = 17 {substituted 7, in for x, into x + 10}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "width = 7 ft \n" ); document.write( "length = 17 ft \n" ); document.write( "www.algebrahouse.com \n" ); document.write( " \n" ); document.write( " |