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dezoksy [38]
3 years ago
11

A. -12 5 b. -12 - c. 12. (-4) d.-12. (-5)

Mathematics
1 answer:
Roman55 [17]3 years ago
4 0

Step-by-step explanation:

  1. -12=12i^2, 5
  2. -12-=12i^2*i^2
  3. 12(-4)=-48=48i^2
  4. -12(-5)=60
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