document.write( "Question 765342: The length of a rectangle is 9 cm more than its width. The area of the rectangle is 136 cm^2. What are its dimensions? \n" ); document.write( "
Algebra.Com's Answer #466124 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Width = x \n" ); document.write( "Length = 9 + x \n" ); document.write( "x(9 + x) = 136 \n" ); document.write( "9x + x^2 = 136 \n" ); document.write( "x^2 + 9x - 136 = 0 \n" ); document.write( "(x + 17)(x - 8) = 0 \n" ); document.write( "x + 17 = 0 \n" ); document.write( "x = -17 (no number x <0) \n" ); document.write( "x - 8 = 0 \n" ); document.write( "x = 8 \n" ); document.write( "Width = 8cm \n" ); document.write( "Length = 17cm \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |