document.write( "Question 510427: factor
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Algebra.Com's Answer #341819 by lwsshak3(11628)\"\" \"About 
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factor
\n" ); document.write( "9x^2y^2-36y^2
\n" ); document.write( "difference of squares
\n" ); document.write( "(3x^y^2+6y)(3x^y^2-6y)
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