document.write( "Question 607819: Please help me find all real zeros for these function\r
\n" ); document.write( "\n" ); document.write( "f(x)= 2x^4-x^3-x^2-x-1\r
\n" ); document.write( "\n" ); document.write( "f(x)= 3x^4+11x^3+11x^2+x-2\r
\n" ); document.write( "\n" ); document.write( "f(x)= 2x^5+x^4+32x-16\r
\n" ); document.write( "\n" ); document.write( "f(x)= 3x^5+x^4-243x-81
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Algebra.Com's Answer #382913 by lynnlo(4176)\"\" \"About 
You can put this solution on YOUR website!
(1)none
\n" ); document.write( "(2)x=-1,-2,-1,1/3
\n" ); document.write( "(3)none
\n" ); document.write( "(4)x=3i,-3i,3,-3,-1/3
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