1. The problem is to convert the expression $ \left(1 - D_{\mathrm{Taken}} - D_{\mathrm{Dealt}}\right) z $ into LaTeX format. 2. The expression contains variables and subscripts with text, which in LaTeX is handled using the _{\mathrm{}} notation for subscripts with text. 3. The expression is already correctly formatted in LaTeX as: $$\left(1 - D_{\mathrm{Taken}} - D_{\mathrm{Dealt}}\right) z$$ 4. This expression represents the product of $z$ and the quantity $1 - D_{\mathrm{Taken}} - D_{\mathrm{Dealt}}$. 5. No further simplification is needed unless values for the variables are given.