document.write( "Question 729025: a square poster has sides measuring 2 feet less than the sides of a square sign. If the difference between their areas is 24 square feet, find the lengths of the sides of the poster and sign. \n" ); document.write( "
Algebra.Com's Answer #445709 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! x^2=(x-2)^2+24 \n" ); document.write( "x^2=x^2-4x+4+24 cancel the x^2 terms. \n" ); document.write( "-4x+28=0 \n" ); document.write( "-4x=-28 \n" ); document.write( "x=-28/-4 \n" ); document.write( "x=7 ans. for the sides of the sign. \n" ); document.write( "7-2=5 ans. for sides the poster. \n" ); document.write( "Proof: \n" ); document.write( "7*2=5^2+24 \n" ); document.write( "49=25+24 \n" ); document.write( "49=49 \n" ); document.write( " |