meghan6345 meghan6345
  • 13-06-2022
  • Mathematics
contestada

Multiply
(3+6i)(2+8i)

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loneguy
loneguy loneguy
  • 13-06-2022

[tex]~~(3+6i)(2+8i)\\\\=3(2) + 3(8i) + 2(6i)+ (6i)(8i)\\\\=6 + 24i +12i+48i^2\\\\=6+36i-48~~~~~~~~~~~~~~~~~~~~~~~;[i^2 = -1]\\\\=-42+36i[/tex]

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