Respuesta :

let's solve :

[tex]  \boxed{ \boxed{ {a}^{2} - {b}^{4} }}[/tex]

Plugging the values of a and b

  • [tex]( - 12) {}^{2} - (2 ){}^{4} [/tex]

  • [tex]144 - 16[/tex]

  • [tex]128[/tex]