Question

Simplify -2 [ 5 - { 4 - 3+2 ( 2- 3+2 ) } ]

Answer 1

-2 [5-{4-3+2 (2-3+2)}]
-2 [5-{4-3+2 (2-1)}]
-2 [5-{4-1}]
-2 [5-3]
-2*2
-4

Hope it helps you. . . . .