document.write( "Question 1054994: the length of a room exceeds its breath by 8dm. If each had been increased by 2dm the area would have been increased by by 60 square dm. Find the dimension \n" ); document.write( "
Algebra.Com's Answer #670216 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! (w+2)(w+10) - (w+8)w = 60 \n" ); document.write( "w^2 + 12w + 20 - w^2 - 8w = 60 \n" ); document.write( "4w + 20 = 60 \n" ); document.write( "4w = 40 \n" ); document.write( "w = 10m, L = 18m \n" ); document.write( "checking \n" ); document.write( "(w+2)(w+10) - (w+8)w = 60 ng:\r \n" ); document.write( "\n" ); document.write( "12m*20m - 18m*10m = 60m^2 CHECKS! \n" ); document.write( " \n" ); document.write( " |