document.write( "Question 660350: Find all roots of x3 + 2x2 + 2x + 1. Hint: Find the rational one(s) first. \n" ); document.write( "
Algebra.Com's Answer #411176 by lynnlo(4176)\"\" \"About 
You can put this solution on YOUR website!
simplify=========9x+1
\n" ); document.write( "roots============x=-1
\n" ); document.write( "rational=========±1,±1/3,±1/9
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