document.write( "Question 291323: Using the Pythagorean Theoreum if necessary The area of a rectangular floor is 105 square feet. Its length is 1 foot more than twice the widith. Find the length and the widith of the floor. \n" ); document.write( "
Algebra.Com's Answer #210698 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! Area=LW \n" ); document.write( "L=2W+1 \n" ); document.write( "105=(2W+1)W \n" ); document.write( "105=2W^2+W \n" ); document.write( "2W^2+W-105=0 \n" ); document.write( "(2W+15)(W-7)=0 \n" ); document.write( "2W+15=0 \n" ); document.write( "2W=-15 \n" ); document.write( "W=-15/2 \n" ); document.write( "W=-7.5 ANS. \n" ); document.write( "L=2(-7.5)+1 \n" ); document.write( "L=-15+1 \n" ); document.write( "L=-14 ANS. \n" ); document.write( "----------- \n" ); document.write( "W-7=0 \n" ); document.write( "W=7 ANS. \n" ); document.write( "L=(2*7+1) \n" ); document.write( "L=14+1 \n" ); document.write( "L=15 ANS. \n" ); document.write( " |