SOLUTION: (9-4i)(4+8i)

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Question 44638: (9-4i)(4+8i)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
9-4i)(4+8i)
Use FOIL to get the product:
F: 36
O: 72i
I: -16i
L: +32
Combine to get:
68+56i
Cheers,
Stan H.