Given:
The equation is,
[tex]P\cdot X=-10[/tex]The given equation has no solution if,
[tex]\begin{gathered} P\cdot X=-10 \\ 0\cdot X=-10 \\ 0=-10 \\ \Rightarrow No\text{ solution.} \\ It\text{ means value of P should be 0} \end{gathered}[/tex]Answer: