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.

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# An equation with degree 3

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