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) $x ^ { 100 } - 22$

Question

Quizplus · Accepted Answer

The product of the sum and difference of two terms is given by the formula $a^2 - b^2$, where $a = x^{10}$ and $b = 11$. Applying this formula, we get $x^{20} - 121$.

Multiply Using the Rule for Finding the Product of the Sum