Respuesta :
[tex](a-b)(a+b)=a^2-b^2 \\ \\ (12p-3)(12p+3) = (12p)^2-(3)^2=\boxed {\bf {144p^2 -9}}[/tex]
(12p * 12p)+(12p * 3)+(-3 *12p)+(-3 * 3)
144p^2 + 36p + (-36p) + (-9) =
144p^2 - 9
144p^2 + 36p + (-36p) + (-9) =
144p^2 - 9