Respuesta :

Uchixie

Answer:

25-(116-1) = -89

(3-9)2 = -12

Step-by-step explanation:

25-(116-1)

solve the ones in the bracket first.

116-1 =115

now solve the expression

25-(115)

25-115 = -89

(3-9)2

bracket first

3-9 = -6

now solve the expression

(-6)2

-6×2 = -12