Multiply
- $\left(10 x+\frac{1}{5}\right)\left(10 x-\frac{1}{5}\right)$ A) $100 x^{2}-\frac{1}{25}$ B) $100 x^{2}+\frac{1}{25}$ C) $100 x^{2}-4 x-\frac{1}{25}$

Multiple Choice

Multiply.
- $\left(10 x+\frac{1}{5}\right) \left(10 x-\frac{1}{5}\right)$

A) $100 x^{2}-\frac{1}{25}$
B) $100 x^{2}+\frac{1}{25}$
C) $100 x^{2}-4 x-\frac{1}{25}$
D) $10 x^{2}-\frac{1}{25}$