document.write( "Question 1034571: Which expressions are differences of squares?\r
\n" ); document.write( "\n" ); document.write( "8b^2-16c^6
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\n" ); document.write( "49x^25-4y^16
\n" ); document.write( "121m^18-9n^10
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Algebra.Com's Answer #649227 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
Not the #1 item, but the items #2, #3, and #4.\r
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\n" ); document.write( "\n" ); document.write( "\"8b%5E2=2%5E3%2Ab%5E2\", the coefficient part is not a square.
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