Answer:

45

Step-by-step explanation:

(2^3 + 7^2) + (2^2 - 4 - 12)

↓ ↓ ↓ ↓ ↓

( 8 + 49) + ( 4 - 4 - 12)

↓ ↓

57 + -12

↓

45

hope this helps