# Math Help - Matrix equation

1. ## Matrix equation

hello can someone please show me how to the values of x are solved for the given matrix. thanks..

2. I read your image as $\left|\begin{array}{ccc}x&0&0\\0&x&0\\0&0&x\end{ar ray}\right|=0$, which I'm not sure what to do with (x=0?). Could you perhaps clarify and maybe someone will be able to help?

3. The determinant of a diagonal matrix is just the product of the numbers on the diagonal.