document.write( "Question 167566: Factoring a Difference of Two Squares
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\n" ); document.write( "\n" ); document.write( "16. 9a2 – 64b2
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Algebra.Com's Answer #123458 by sowmya(32)\"\" \"About 
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9 a^2- 64 b^2\r
\n" ); document.write( "\n" ); document.write( "= (3a)^2- (8b)^2
\n" ); document.write( " = (3a+8b)(3a-8b)
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