Determine the values of `x` for which the matrix `A=[x+1-3 4-5x+2 2 4 1x-6]` is singular.

Explanation

To determine the values of \( x \) for which the matrix

\[
A = \begin{bmatrix}
x + 1 & -3 & 4 \\
-5 & x + 2 & 2 \\
4 & 1 & x - 6
\end{bmatrix}
...