Factorize:
 
1. \(p^2−13p−30\)
 
2. \(a^2−16p−80\)
Answer variants:
\((a^2+16)(p+5)\)
\((pāˆ’15)(p+2)\)
\((a^2āˆ’16)(p+5)\)
\((pāˆ’15)(p-2)\)