document.write( "Question 885695: If each of two opposite sides of a square is increased by 3 centimetres and each of the other two sides is decreased by 2 centimetres, the area is increased by 8 square centimetres. Find the length of a side of the square. \n" ); document.write( "
Algebra.Com's Answer #535365 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
If each of two opposite sides of a square is increased by 3 centimetres and each of the other two sides is decreased by 2 centimetres, the area is increased by 8 square centimetres. Find the length of a side of the square.
\n" ); document.write( "***
\n" ); document.write( "let x=length of a side of the square.
\n" ); document.write( "..
\n" ); document.write( "area of a rectangle=length*width
\n" ); document.write( "(x+3)(x-2)-x^2=8
\n" ); document.write( "x^2+x-6-x^2=8
\n" ); document.write( "x-6=8
\n" ); document.write( "x=14
\n" ); document.write( "length of a side of the square=14 cm
\n" ); document.write( "
\n" );