Solve the simultaneous equations
\[\begin{align*}
3x^2-13xy+9y^2&=15, \\
7x^2-5y^2+17&=0.
\end{align*}\]
Can we rearrange one of these equations to find an expression for \(x\) or \(y\)? Or for \(x^2\) or \(y^2\)?
Quadratics
Suggestion
Can we rearrange one of these equations to find an expression for \(x\) or \(y\)? Or for \(x^2\) or \(y^2\)?