Question

On simplification, 12 - 3 [5 + 2 {(5 - 7) - 2}] gives:
(b) 3
(c) 9
(d) 3
(a) 21​

Answer 1

Step-by-step explanation:

12-3[5+2{4}] = 12-3[ 7 {8} ]= 9 [ 56] = 544