document.write( "Question 476014: A square poster has sides measuring 2 feet less than the sides of a square sign. If the difference between their area is 28 square feet, find the length of the sides of the poster and the sign. \n" ); document.write( "
Algebra.Com's Answer #326438 by josmiceli(19441)\"\" \"About 
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Let a side of the square sign = \"+s+\" ft
\n" ); document.write( "The area of the square sign = \"+s%5E2+\" ft2
\n" ); document.write( "given:
\n" ); document.write( "A side of the square poster = \"+s+-+2+\" ft
\n" ); document.write( "The area of the square poster = \"+%28s+-+2%29%5E2+\" ft2
\n" ); document.write( "\"+s%5E2+-+%28s+-+2%29%5E2+=+28+\" ft2
\n" ); document.write( "\"+s%5E2+-+s%5E2+%2B+4s+-+4+=+28+\"
\n" ); document.write( "\"+4s+-+4+=+28+\"
\n" ); document.write( "\"+4s+=+32+\"
\n" ); document.write( "\"+s+=+8+\"
\n" ); document.write( "A side of the square sign is 8 ft
\n" ); document.write( "A side of the square poster is 6 ft
\n" ); document.write( "check answer:
\n" ); document.write( "\"+s%5E2+-+%28s+-+2%29%5E2+=+28+\"
\n" ); document.write( "\"+8%5E2+-+%288+-+2%29%5E2+=+28+\"
\n" ); document.write( "\"+64+-+36+=+28+\"
\n" ); document.write( "\"+28+=+28+\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" );