document.write( "Question 149735: What is the GCF? \r
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Algebra.Com's Answer #109840 by ankor@dixie-net.com(22740)\"\" \"About 
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16a^4b^2 + 20a^2b^2 - 4ab^2
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\n" ); document.write( "4ab^2 is the GCF
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\n" ); document.write( "4ab^2(4a^3 + 5a - 1)
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