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MathNet 2023-part-07 — 187 problems (EN–VI) Question 108

Math Olympiad Vault · MathNet 2023-part-07 — 187 problems (EN–VI)

Question 108

Suppose $a$, $b$, and $c$ are real numbers such that
$$
\begin{aligned}
a^{2} - b c &= 14 \\
b^{2} - c a &= 14, \text{ and } \\
c^{2} - a b &= -3
\end{aligned}
$$
Compute $|a+b+c|$.