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

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

User Esoni
by
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1 Answer

6 votes


~~(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

User Sam Parmenter
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