Competition problem — Algebra — Maths Olympiad Prep

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Algebra Difficulty 1.9 Junior Find the answer

The sum of all the roots of $4x^3-8x^2-63x-9=0$ is:

Pick one

Solution

By Vieta's Formulas, $\frac{--8}{4}=2$ , $\fbox{B}$

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Source: NuminaMath-1.5, licensed Apache-2.0. Statement and solution reproduced as published; topic and difficulty added by this site.