What are the excluded values (domain restrictions) for the expression $\frac{1}{(x-3)(x+2)}$?

• A. $x\ne -3$ and $x\ne -2$
• B. $x\ne 3$ and $x\ne 2$
• C. $x\ne -3$ and $x\ne 2$
• D. $x\ne 3$ and $x\ne -2$

Answer: (D)