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i Need help solving this (3 2i)(1 i)

Mathematics
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These are radical complex numbers and i need help solving them. (3+2i)(1+i)

Apr 28th, 2015

We FOIL the problem to start:

3*1 + 3*i + 2i*1 + 2i*i

3 + 3i + 2i + 2i^2  (i^2 = -1)

3 + 3i + 2i - 2 = 1 + 5i

Apr 27th, 2015

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Apr 28th, 2015
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Apr 28th, 2015
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