V
vuonghongtham07


1.$$\begin{cases}
x^6-y^3+2x^2-9y^2-33 = 9y & \color{red}{(1)} \\
\sqrt{2x+3}+x = y & \color{red}{(2)}
\end{cases} $$
2.$$\begin{cases}
\sqrt{x^2+2y+3}+2y-3 = 0 & \color{red}{(1)} \\
2(2y^3+x^3)+3y(x+1)^2+6x(x+1)+2 = 0 & \color{red}{(2)}
\end{cases} $$
x^6-y^3+2x^2-9y^2-33 = 9y & \color{red}{(1)} \\
\sqrt{2x+3}+x = y & \color{red}{(2)}
\end{cases} $$
2.$$\begin{cases}
\sqrt{x^2+2y+3}+2y-3 = 0 & \color{red}{(1)} \\
2(2y^3+x^3)+3y(x+1)^2+6x(x+1)+2 = 0 & \color{red}{(2)}
\end{cases} $$