ModesireoluwaM733521 ModesireoluwaM733521

29-10-2022
Mathematics

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2(3 -i)(-2 + 4i) = need help

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ErikY578624 ErikY578624

29-10-2022

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

Multiplying the fist two members: (6 - 2i)(-2 + 4i)

Multiplying both binomials: -12 + 24i + 4i - 8i^2

-12 + 28i - 8i^2 = -8i^2 + 28i - 12

the multiplication is: -8i^2 + 28i - 12

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