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Simplify (5i-2i) (2+6i)-(4-i) show all work

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Simplify (5i-2i) (2+6i)-(4-i) show all work

asked Oct 26, 2021 171k views

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Simplify (5i-2i) (2+6i)-(4-i) show all work

Mathematics
college

Michael Fry asked

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1 Answer

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↝ (3i)(2+6i)-(4-i)

↝ 6i+18i²-4+i

↝ 6i-18-4+i [ i² = -1]

Therefore, it's 7i-22

Tomas Holas answered Oct 31, 2021

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