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Answer:
- 108
Step-by-step explanation:
Substitute s = - 3 into the expression
- 3 | 15 - (- 3) | + 2(- 3)³
= - 3 | 15 + 3 | + 2(- 27)
= - 3 | 18 | - 54
= - 3 × 18 - 54
= - 54 - 54
= - 108