Multiply.
-$( p + 13 q ) ( p - 13 q )$
A) $p ^ { 2 } + 26 p q - 169 q ^ { 2 }$
B) $p ^ { 2 } - 26 p q - 169 q ^ { 2 }$
C) $p ^ { 2 } - 26 q ^ { 2 }$
D) $p ^ { 2 } - 169 q ^ { 2 }$

Question

Quizplus · Accepted Answer

This is an application of the difference of squares formula, $a^2 - b^2 = (a + b)(a - b)$. Here, $a = p$ and $b = 13q$, so the product is $p^2 - (13q)^2 = p^2 - 169q^2$.

Multiply - (p+13q)(p−13q)( p + 13 q ) ( p - 13 q )(p+13q)(p−13q)

Multiply
- $( p + 13 q ) ( p - 13 q )$