Solve a system in real numbers.
Source: Moldova 2008 IMO-BMO Second TST Problem 1
March 29, 2008
algebra proposedalgebra
Problem Statement
Find all solutions of the following system: \begin{cases}x^3 \plus{} 3xy^2 \equal{} 49, \\
x^2 \plus{} 8xy \plus{} y^2 \equal{} 8y \plus{} 17x.\end{cases}