I have an equation similar:(adsbygoogle = window.adsbygoogle || []).push({});

8x^3+4cx^2+2(b-3)x+(a-2c)=0

a, b, c are real number.

if p, q , t be roots.

What can say about (p+q-2t) and (p^2+ q^2-2t^2)???

Please help me??

Thanks so much.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# An equation with degree 3

**Physics Forums | Science Articles, Homework Help, Discussion**