Respuesta :

Answer:

270

Step-by-step explanation:

12^2−6(2−23)

=144−6(2−23)

=144−(6)(−21)

=144−(−126)

=270

Answer:

  (12)^2−6(2−23)

= 12² - 6(-21)

= 144 + 126

= 270

As a fraction is:

270/1