document.write( "Question 415245: r^3+8 is it not factorable?
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Algebra.Com's Answer #291161 by sudhanshu_kmr(1152)\"\" \"About 
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\n" ); document.write( "(r^3 + 8) = (r^3 + 2^3) \r
\n" ); document.write( "\n" ); document.write( "= (r + 2) (r^2 + 2^2 - r*2)\r
\n" ); document.write( "\n" ); document.write( "= (r + 2) (r^2 + 4 - 2r)\r
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