jameskathy581 jameskathy581
  • 30-11-2020
  • Mathematics
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simplify (5i-2i) (2+6i)-(4-i) show all work​

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VectorFundament120
VectorFundament120 VectorFundament120
  • 30-11-2020

↝ (3i)(2+6i)-(4-i)

↝ 6i+18i²-4+i

↝ 6i-18-4+i [ i² = -1]

Therefore, it's 7i-22

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