document.write( "Question 376217: the area of a square is 45 more than the perimeter. find the length of a side. \n" ); document.write( "
Algebra.Com's Answer #267635 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

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\n" ); document.write( "Hi
\n" ); document.write( "Let x represent the length of each side of the square
\n" ); document.write( "P = 4x
\n" ); document.write( "question states***
\n" ); document.write( "x^2 = 45 + 4x
\n" ); document.write( "x^2 - 4x -45 = 0
\n" ); document.write( "(x - 9)(x+5) = 0
\n" ); document.write( "(x+5)= 0
\n" ); document.write( "x = -5 cannot use
\n" ); document.write( "(x-9)= 0
\n" ); document.write( "x = 9, the length of each side of the square
\n" ); document.write( "CHECKING our Answer***
\n" ); document.write( "9^2 = 81 = 4*9 + 45 = 36 + 45 = 81 \n" ); document.write( "
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