Use Special Products in Polynomial Multiplication
-$$\left( 1 + x ^ { 3 } \right) \left( 1 - x ^ { 3 } \right)$$
A) $1 - x ^ { 6 }$
B) $2 - x ^ { 6 }$
C) $2 - x ^ { 9 }$
D) $1 - x ^ { 9 }$

Question

Quizplus · Accepted Answer

This is an example of the difference of squares formula, $a^2 - b^2 = (a + b)(a - b)$, where $a = 1$ and $b = x^3$, resulting in $1^2 - (x^3)^2 = 1 - x^6$.

Use Special Products in Polynomial Multiplication - (1+x3)(1−x3)\left( 1 + x ^ { 3 } \right) \left( 1 - x ^ { 3 } \right)(1+x3)(1−x3)

Use Special Products in Polynomial Multiplication
- $\left( 1 + x ^ { 3 } \right) \left( 1 - x ^ { 3 } \right)$