document.write( "Question 362899: the length of a rectangle is three feet more than twice the width . the area of the rectangle is 9 square feet. find the length and the width. \n" ); document.write( "
Algebra.Com's Answer #258753 by mananth(16946)![]() ![]() You can put this solution on YOUR website! width =x \n" ); document.write( "length = 2x+3 \n" ); document.write( "area =9 \n" ); document.write( "... \n" ); document.write( "x(2x+3)=9 \n" ); document.write( "2x^2+3x=9 \n" ); document.write( "2x^2+3x-9=0 \n" ); document.write( "2x^2+6x-3x-9=0 \n" ); document.write( "2x(x+3)-3(x+3)=0 \n" ); document.write( "(x+3)(2x-3)=0 \n" ); document.write( "x= 3/2 feet the width \n" ); document.write( ". \n" ); document.write( "length = 2x+3 = 6 feet \n" ); document.write( ".. \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |