document.write( "Question 789860: if two opposite side of a square are each increased by 3centimeters, and the other sides are each decreased by 2centimeters , the area is increased by 8 square centimeters. find the length of a side of the square. \n" ); document.write( "
Algebra.Com's Answer #478957 by mananth(16946)\"\" \"About 
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side of square=x\r
\n" ); document.write( "\n" ); document.write( "side after increase = x+3\r
\n" ); document.write( "\n" ); document.write( "other side = x-2
\n" ); document.write( "area = (x+3)(x-2)\r
\n" ); document.write( "\n" ); document.write( "(x+3)(x-2)=x^2+8\r
\n" ); document.write( "\n" ); document.write( "x^2+x-6 =x^2+8\r
\n" ); document.write( "\n" ); document.write( "x-6 =8\r
\n" ); document.write( "\n" ); document.write( "x=6+8
\n" ); document.write( "x=14 cm side of square
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