Remove or add parentheses as indicated.
-Rewrite $( p + q ) ( p - q )$ without parentheses.
A) $\mathrm { p } ^ { 2 } - \mathrm { q } ^ { 2 } - 2 \mathrm { pq }$
B) $\mathrm { p } ^ { 2 } - \mathrm { q } ^ { 2 }$
C) $\mathrm { p } ^ { 2 } - \mathrm { q } ^ { 2 } + 2 \mathrm { pq }$
D) $\mathrm { p } ^ { 2 } + \mathrm { q } ^ { 2 }$

Question

Quizplus · Accepted Answer

This is a result of applying the difference of squares formula, $(a+b)(a-b) = a^2 - b^2$, where $a=p$ and $b=q$.

Remove or Add Parentheses as Indicated (p+q)(p−q)( p + q ) ( p - q )(p+q)(p−q)

Remove or Add Parentheses as Indicated $( p + q ) ( p - q )$