document.write( "Question 719923: How do I factor the two following problems completely?\r
\n" ); document.write( "\n" ); document.write( "9x^2-1\r
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\n" ); document.write( "\n" ); document.write( "x^2-100
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Algebra.Com's Answer #441591 by Alan3354(69443)\"\" \"About 
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How do I factor the two following problems completely?\r
\n" ); document.write( "\n" ); document.write( "9x^2-1\r
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\n" ); document.write( "\n" ); document.write( "x^2-100
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\n" ); document.write( "Both are a difference of 2 squares.
\n" ); document.write( "\"a%5E2+-+b%5E2+=+%28a-b%29%2A%28a%2Bb%29\"
\n" ); document.write( "For 9x^2 - 1, a = 3x, b = 1
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