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(-3√ -81)(-5+√ -9)+9i
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1 vote
(-3√ -81)(-5+√ -9)+9i

User Petr Vostrel
by
7.5k points

1 Answer

3 votes

Answer:

144i + 81

Explanation:

(-3*9i)(-5 + 3i) + 9i

-27i (-5 + 3i) + 9i

FOIL

135i + 81 + 9i

144i + 81

User Yanick Salzmann
by
7.6k points
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