Posted by **Heather** on Sunday, September 2, 2012 at 4:59pm.

Please help find the rational roots of

f(x)=4x^4 - 3x^3 + 2x^2 +x - 3 another is

f(x)=-3x^3 - 2x^2 + x - 1

I tried but still confuse please help really really need help Thank you very much!

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