document.write( "Question 162131This question is from textbook Elementary and Intermediate
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\n" ); document.write( "\n" ); document.write( "a^4b+a^2b^3\r
\n" ); document.write( "\n" ); document.write( "a^2 (a^2b + b^3)
\n" ); document.write( "a^2b (a^2 + b^2)
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Algebra.Com's Answer #119466 by eperette(173)\"\" \"About 
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