Multiply Using the Rule for Finding the Product of the Sum

Multiple Choice

Multiply using the rule for finding the product of the sum and difference of two terms.
- $$\left( x ^ { 10 } + 11 \right) \left( x ^ { 10 } - 11 \right)$$

A) $x ^ { 20 } + 22 x ^ { 10 } - 121$
B) $x ^ { 100 } - 22 x ^ { 20 } - 121$
C) $x ^ { 20 } - 121$
D) $x ^ { 100 } - 22$