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SAMO 2022 Problem 2 - System of quadratic equations

Source: South African Mathematics Olympiad 2022, Problem 2

August 11, 2022
quadraticsalgebrasystem of equations

Problem Statement

Find all pairs of real numbers xx and yy which satisfy the following equations: \begin{align*} x^2 + y^2 - 48x - 29y + 714 & = 0 \\ 2xy - 29x - 48y + 756 & = 0 \end{align*}