SOLUTION: (8-2i)(2+9i)
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Question 135767
:
(8-2i)(2+9i)
Answer by
stanbon(75887)
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(8-2i)(2+9i)
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Use FOIL:
F: 8*2=16
O: 8*9i=72i
I: 2*-2i=-4i
L: -2i*9i=18
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Combining like terms you get: 34+68i
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Cheers,
Stan H.