- 11 - 9[(8 (-3) / 6)^2 - 17]
= - 11 - 9[(-24 / 6)^2 - 17]
= - 11 - 9[(-4)^2 - 17]
= - 11 - 9[16 - 17]
= - 11 - 9[-1]
= 11 + 9
= 20
Answer
20
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