Question

2[20-2{5+(-12)}×{3+2(2-9)}]​

Answer 1

2[20-2{5+(-12)}×{3+2(2-9)}]
2[20+14×-11]
2×(20-150)
2×-134
-268


is the answer of your question.

Answer 2

2[20-2{5-12}×{3+2(-7)}]

2[20-2(-7)×{3-14}]

2[20+14×(-11)]

2[20-154]

2[-134]

-268