document.write( "Question 378731: A vegetable garden measures 8 ft by 12 ft. By what equal amount must each dimension be increased if the area is to be doubled? \n" ); document.write( "
Algebra.Com's Answer #269000 by user_dude2008(1862)![]() ![]() ![]() You can put this solution on YOUR website! (8+x)(12+x)=2*96\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "96+20x+x^2=192\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2+20x-96=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x-4)(x+24)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x-4=0 or x+24=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=4 or x=-24\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer: 4ft \n" ); document.write( " |