document.write( "Question 829624: the length of a rectangle is three more than twice the width determine the dimensions that will give a total area of 27m^2
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document.write( "please help,i'm completely stuck \n" );
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Algebra.Com's Answer #499969 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! the length of a rectangle is three more than twice the width determine the dimensions that will give a total area of 27m^2 \n" ); document.write( "*** \n" ); document.write( "let x=width of rectangle \n" ); document.write( "2x+3=length of rectangle \n" ); document.write( "area=length*width \n" ); document.write( ".. \n" ); document.write( "x(2x+3)=27 \n" ); document.write( "2x^2+3x=27 \n" ); document.write( "2x^2+3x-27=0 \n" ); document.write( "(2x+9(x-3)=0 \n" ); document.write( "x=-9/2 (reject, x>0) \n" ); document.write( "or \n" ); document.write( "x=3 \n" ); document.write( "2x+3=9 \n" ); document.write( "width of rectangle=3m \n" ); document.write( "length of rectangle=9m \n" ); document.write( " \n" ); document.write( " |