SOLUTION: Without expanding, find the value of x such that {\det \begin{pmatrix} 2 & 3 & 1\\ 4 & x & -2\\ 1 & 3 & 3 \end{pmatrix}

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Question 1042975: Without expanding, find the value of x such that
{\det \begin{pmatrix}
2 & 3 & 1\\
4 & x & -2\\
1 & 3 & 3
\end{pmatrix}
Answer by ikleyn(52926) About Me  (Show Source):
You can put this solution on YOUR website!
.
It doesn't make sense.

Nonsense.