johnbonilla69 johnbonilla69

27-06-2018
Mathematics

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simplify (4+7i) - 2i(2+3i)

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annshiro1989 annshiro1989

28-06-2018

(4 + 7 i) - 2 i ( 2 + 3 i)
4 + 7 i - 4 i + 6 i ²
4 + 3 i + 6 i²
6 i² + 3 i + 4

Answer = 6 i² + 3 i + 4

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