QuestionEvaluate $3 x^{2}+2 x y-y^{3}$ for $x=2$ and $y=-1$. What is the result?

Studdy Solution
Finally, perform the addition and subtraction to get the final result.
$$=9$$So, when $x=2$ and $y=-1$, $3x^{2}+2xy-y^{3}=9$.