human
Expand two brackets with linear terms in the form (x + a)(x + b) What should replace the circle when these two brackets are
expanded and simplified?

\(
(p-3)(p+3) \equiv p^{2} \color{purple}\triangle\) \(p\)\(\color{green}\bigcirc
\)
 \(\color{green}\bigcirc\) = +0 
(no number term)
gpt
Believes the constant in an expanded quadratic comes from adding the two numbers in the brackets