document.write( "Question 89216: Factor:
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Algebra.Com's Answer #64965 by malakumar_kos@yahoo.com(315)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( " Factor:
\n" ); document.write( "16x^2-49 16x^2-49 = (4x)^2-(7)^2
\n" ); document.write( " = (4x+7).(4x-7)
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