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## anonymous 3 years ago Find all real roots of the polynomial. t^4+t^3+2t^2+4t-8

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1. anonymous

using rational root theorem for finding possible rational roots will be a good start

2. anonymous

$\pm8 ,\pm4 , \pm2 , \pm1$ are possible rational roots

3. anonymous

i would suggest using ruffini's rule twice the use quadratic formula

4. anonymous

Thank you!

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