## orbie Group Title Find all real roots of the polynomial. t^4+t^3+2t^2+4t-8 one year ago one year ago

1. mukushla Group Title

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

2. mukushla Group Title

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

3. edpinho Group Title

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

4. orbie Group Title

Thank you!