document.write( "Question 630888: Factor out the greatest common factor from the expression:
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Algebra.Com's Answer #397310 by 303795(602)\"\" \"About 
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12xyz^2 + 8xyz - 20x^2yz
\n" ); document.write( "Highest common number factor is 4
\n" ); document.write( "Highest common x factor is x
\n" ); document.write( "Highest common y factor is y
\n" ); document.write( "Highest common z factor is z
\n" ); document.write( "so 12xyz^2 + 8xyz - 20x^2yz = 4xyz(3z + 2 - 5x)
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