Multiply Mentally
- $(5 p-1)\left(25 p^{2}+5 p+1\right)$ A) $125 p^{3}+1$ B) $25 p^{3}-1$

Multiple Choice

Multiply mentally
- $(5 p-1) \left(25 p^{2}+5 p+1\right)$

A) $125 p^{3}+1$
B) $25 p^{3}-1$
C) $125 p^{3}-1$
D) $125 p^{3}+30 p^{2}-1$