document.write( "Question 787154: The area of a rectangle is 70 square inches. The length of the rectangle is 3 inches longer than the width. \n" ); document.write( "
Algebra.Com's Answer #478109 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Width = x \n" ); document.write( "Length = x + 3 \n" ); document.write( "Area = width * length \n" ); document.write( "70 = x * (x + 3) \n" ); document.write( "x^2 + 3x = 70 \n" ); document.write( "x^2 + 3x - 70 = 0 \n" ); document.write( "(x - 7)(x + 10) = 0 \n" ); document.write( "x + 10 = 0 \n" ); document.write( "x = -10 (no answer as x < 0) \n" ); document.write( "x - 7 = 0 \n" ); document.write( "x = 7 \n" ); document.write( "Width = 7 inches \n" ); document.write( "Length = 10 inches \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |