document.write( "Question 1083775: 49x²-4z² \n" ); document.write( "
Algebra.Com's Answer #697820 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"49x%5E2-4z%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"%287x%29%5E2-%282z%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"%287x-2z%29%287x%2B2z%29\"
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